cblm_installing_lo1.docx

Sector:

INFORMATION AND COMMUNICATION TECHNOLOGY

QualificationCOMPUTER HARDWARE SERVICING II

Unit of Competency:

INSTALL COMPUTER SYSTEMS AND NETWORK

Module Title:

INSTALLING COMPUTER SYSTEMS AND NETWORK


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COMPETENCY BASED LEARNING MATERIALS

HOW TO USE THIS COMPETENCY BASED LEARNING MODULE

Welcome to the Module “Installing of Computer System”. This module contains training materials and activities for you to complete.

The unit of competency “Install Computer Systems and Networks” contains knowledge, skills and attitudes required for a Computer Hardware Servicing NC II course.

You are required to go through a series of learning activities in order to complete each of the learning outcomes of the module. In each learning outcome there are Information Sheets, Operation Sheets, and Activity Sheets. Follow these activities on your own and answer the Self-Check at the end of each learning activity.

If you have questions, don’t hesitate to ask your teacher for assistance.

Recognition of Prior Learning (RPL)

You may already have some of the knowledge and skills covered in this module because you have:

*been working for some time*already completed training in this area.

If you can demonstrate to your teacher that you are competent in a particular skill or skills, talk to him/her about having them formally recognized so you don’t have to do the same training again. If you have a qualification or Certificate of Competency from previous trainings show it to your teacher. If the skills you acquired are still current and relevant to this module, they may become part of the evidence you can present for RPL. If you are not sure about the currency of your skills, discuss it with your teacher.

After completing this module ask your teacher to assess your competency. Result of your assessment will be recorded in your competency profile. All the learning activities are designed for you to complete at your own pace.

Inside this module you will find the activities for you to complete followed by relevant information sheets for each learning outcome. Each learning outcome may have more than one learning activity.



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Program/Course : Computer Hardware Servicing NC IIUnit of Competency : Install Computer Systems and

NetworkModule : Installing of Computer Systems and

NetworkNominal Duration: 60 hours

INTRODUCTION:

This module contains information and suggested learning activities on Computer Hardware Servicing II. It includes activities and materials on Installation of Computer Systems and Networks.

Completion of this module will help you better understand the succeeding module on the Diagnosis and Troubleshooting of Computer Systems.

This module consists of 3 learning outcomes. Each learning outcome contains learning activities supported by each instruction sheets. Before you perform the instructions, read the information sheets and answer the self-check and activities provided to ascertain to yourself and your teacher that you have acquired the knowledge necessary to perform the skill portion of the particular learning outcome.

Upon completion of this module, report to your teacher for assessment to check your achievement of knowledge and skills requirement of this module. If you pass the assessment, you will be given a certificate of completion.

SUMMARY OF LEARNING OUTCOMES:

Upon completion of the module you should be able to:

LO1 Plan and prepare for installationLO2 Install equipment and/or device and systemLO3 Conduct validation and testing

ASSESSMENT CRITERIA:1. Installation planned and prepared to ensure that safety measures,

policies and procedures followed, and that work is appropriately sequenced in accordance with the industry standards

2. Technical personnel consulted to ensure that the work coordinated effectively with others involved on the worksite

3. Computer systems and network devices obtained in accordance with the established procedures and to comply with requirements



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4. Location where devices and systems to be installed is determined from job requirements

5. Materials necessary to complete the work obtained in accordance with established procedures and checked against job requirements

6. Tools, equipment and testing devices needed to carry out the installation work obtained in accordance with established procedures and checked for correct operation and safety

7. Preparatory work checked to ensure that no unnecessary damage has occurred and that work complies with requirements

8. OH&S policies and procedures for installing devices/systems are followed

9. Devices / systems are installed in accordance with requirements, without damage or distortion to the surrounding environment or services

10.Variation to devices / systems installation is carried out in accordance to customer/client requirements

11.Devices / systems are terminated and connected in accordance with requirements

12.Unplanned events or conditions are responded to in accordance with established procedures

13.Approval is obtained in accordance with established procedures from appropriate personnel before any contingencies are implemented

14.On-going checks of the quality of the work are undertaken in accordance with established procedures

15.OH&S policies and procedures are followed 16.Circuits and systems are checked as being isolated where necessary

using specified testing procedures17.Parts or connections of the installation or service that are removed

in order to conduct the test are stored to protect against loss or damage and in accordance with established procedures

18.Unplanned events or conditions are responded to in accordance with established procedures

19.Approval is obtained in accordance with established procedures from appropriate personnel before any contingencies are implemented.

20.Devices / systems and/or installation is tested to determine whether it conforms to requirements

21.Parts, and/or connections removed for the purpose of testing are returned to pre-test conditions in accordance with established procedures

22.Final inspections are undertaken to ensure the installed devices / systems conforms to requirements



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23.Documentation in relation to the test is forwarded to appropriate personnel and/or authority in accordance with requirements

PRE-REQUISITES: Basic and Common Competency PC Operations

TECHNICAL TERMS

Active Hubs - amplify or boost signals Anti-Static -A product that prevents the build-up of static

electricity BIOS – Basic Input/Output System, chip that controls the most basic

functions of the computer and performs a self-test every time you turn it on.

Flash drive– RAM that can retain data without electrical power. It is widely used for BIOS chips and for digital camera and digital music storage.

Graphic tablet – objects are drawn using a pen or a puck. The puck is technically a tablet cursor, not a mouse.

Goggles – A large spectacles, with shields around the rims, for protecting the eyes from dust, excessive light, wind, etc.

Hard-disk drive – is a storage device that stores billions of characters of data on a non-removable disk.

Hardware- refers to the tangible (things you can touch) components of a computer system. Hardware components are further divided into three groups namely

Host – any computer whether mainframe, server, or even PC that acts as an information source on a network.

Intelligent Hubs – select which path a specific signal will travel Joy Stick - a hand-held control stick that allows a player to control

the movements of a cursor on a computer screen or a symbol in a video game .

LAN Card – Local area network interface card. Laptop computer - A small, portable computer -- small enough

that it can sit on your lap. Local Area Network- the smallest of the three network types,

consist of PCs connected together within a limited area, such as within the same building, floor or department.

Mainframe: A powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously.

Metropolitan Area Network – are network that spans no more than 50 miles. It is design to connect LANs spanning a town or city

Minicomputer: A multi-user computer capable of supporting up to hundreds of users simultaneously.

Metropolitan Area Network – is a network that spans no more than 50 miles. It is design to connect LANs spanning a town or city


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Motherboard – contains the CPU, BIOS, Memory, mass storage interfaces, serial and parallel ports, expansion slot and all the controllers required to control standard peripheral devices such as the display screen, keyboard and disk drive

Modem - (Modulator-Demodulator) The modem is a device that allows a given computer to share data or otherwise a device which let computers exchange information

Modular Hubs – are popular in networks because they are easily expanded and always have management option. It is purchased as chassis, or card cage, with multiple card slots, each of which accepts a communication card, or module

Multimedia - is the combination of different types of communication media (sound, print, video, and so on)

Multitester- is an instrument use to measure voltage, current and resistance

NIC – Network Interface Card – The PC expansion board that plug into a personal computer or server and works with the network operating system to control the flow of information over the network.

Network – is a communications system connecting two or more computers

Network Bridge – divides network into smaller, more manageable sections helping reduce network traffic.

Network Hub - a hardware device that all PCs on a network are connected to by cabling. The hub manages receiving and transmitting data from networked services.

Network Server- is a powerful computer whose sole purpose is to serve network clients.

Network Switch – It helps determine how data moves over large networks.

Notebook computer An extremely lightweight personal computer that weighs weigh less than 6 pounds and are small enough to fit easily in a briefcase.

OHS – Occupational Health and Safety Operating System (OS) -software that controls the allocation and

use of programs and data that a computer uses. Passive Hubs – simply connects various cables Personal computer: A small, single-user computer based on a

microprocessor. Port hub /Port – is a connector on the back of a computer or other

device. A port is either a serial port or a parallel port. Peers- mean any computer sharing the same protocol layer with

another computer. Protocol – refers to the specific standards governing the sending

and receiving of data. Repeater– a device that strengthen signals and allow then to stay

clear over longer distances.



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Printer - It is a piece of hardware that produces a paper copy (also known as ‘hardcopy’) of the information generated by the computer.

RAM – Random Access Memory, is a primary memory. This memory is used inside the computer to hold programs and data while it is running.

RJ 45 – is the connector plugged into the NIC ports on computers and often connecting the main networking hardware together.

Router – a device that forwards data packets between Local or Wide Area Network groups.

Scanner- it is an input device that read text or illustration printed on paper, translates the information into a form that a computer can use.

Server – is a part of a network. It is a special computer that users on the network can asses to carry out a particular job.

Software – programs and data that a computer uses. Software applications- enables you to perform specific tasks-

solve problems, perform work, or entertain yourself. Sound Device Driver Installer / Sound and Audio Devices – A

windows XP Control Panel applet, called Sounds, and Multimedia in Windows 2000, for configuring the system’s sound card.

Stackable Hubs – work just like standalone hubs, except that several of them can be “stacked” (connected) together, usually by short lengths of cable.

Standalone Hubs – are single products with a number of ports. It is usually include some method of linking them to other standalone hubs for network expansion.

Static – The discharge of electricity between two objects with different electrical potential

Sub notebook computer - A portable computer that is slightly lighter and smaller than a full-sized notebook computer. Typically, sub notebook computers have a smaller keyboard and screen, but are otherwise equivalent to notebook computers.

UTP – (Unshielded Twisted Pair) least expensive and most popular network media.

USB – Universal Serial Bus, a hardware interface for low-speed peripherals such as the keyboard, mouse, joystick, scanner, printer and telephony devices.

Video Camera - camera using videotape: a camera that records onto videotape

Wide Area Network – used to distribute information thousand of miles among thousands of users.

Wireless Hubs– are hubs designed for the home Workstation - is any network computer that connects to and

request resources from a network



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Program/Course : Computer Hardware Servicing NC IIUnit of Competency : Install Computer Systems and NetworksModule : Installing of Computer Systems and Networks

LEARNING OUTCOME #1:

Plan And Prepare For Installation

CONTENT:1. OHS Policies and Procedures2. Basic requirements for Well Planned Project Based Installation.3. Fundamental Structures and Types of Operating Systems.4. Computer components and peripherals.5. Materials, tools and equipment, and testing devices

ASSESSMENT CRITERIA:1. Installation is planned and prepared to ensure Occupational Health

and Safety 2. Policies and procedures are followed, 3. The work is appropriately sequenced in accordance with requirements4. Appropriate personnel are consulted to ensure the work is

coordinated effectively with others involved on the work site5. Devices/systems are obtained in accordance with established

procedures and to comply with requirements6. Location in which devices / systems are to be installed is determined

from job requirements7. Materials necessary to complete the work are obtained in accordance

with established procedures and checked against job requirements8. Tools, equipment and testing devices needed to carry out the

installation work are obtained in accordance with established procedures and checked for correct operation and safety

9. Preparatory work is checked to ensure no unnecessary damage has occurred and complies with requirements

CONDITIONS: The students/trainees must be provided with the following:

PC or workstations Instructional Manuals such as: Occupational Health and Safety

policies and procedure manual, device manual and hardware diagrams and charts.

Tools, equipment and test instruments such as: protective eyewear,



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digital multi-meter, crimping tools, pliers, screw drivers. Supplies and materials such as: UTP cables, RJ45 connector,

appropriate software applications and programs.

ASSESSMENT METHODS: Written examination Practical examination.

LEARNING EXPERIENCESLEARNING OUTCOME #1: PLAN AND PREPARE FOR INSTALLATION

INFORMATION SHEET 1.1-1

OCCUPATIONAL HEALTH AND SAFETY POLICIES AND PROCEDURES

LEARNING OBJECTIVES: After reading of this Information Sheet, you should be able to:

1. Identify the basic precautions and procedures in planning, preparing, installing and testing of computer hardware and software.

2. Determine the effects of computers to the people, health risk, and to the environment. During installation and initial test, careful planning and preparation are to be done. To avoid personal injury and damages to wiring due to sharp pins on connectors and printed circuit assemblies, rough chassis edges and corners, and hot components. Adhere to warnings and limitations regarding accessibility into areas designated only for authorized technical personnel.

CONCEPT DEVELOPMENT:SOME BASIC PRECAUTIONS AND PROCEDURES:

Before starting the installation, read carefully the documentation and procedures on any hardware and software settings that may be required.

Failure to do the proper jumper setting may cause damage to your CPU.



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Without an effective cooling fan, the CPU can overheat and cause damage to both CPU and the motherboard.

Each bank must have the same size and type of memory installed in pairs.

Before adding and removing any other system components, make sure that you unplug your power supply. Failure to do so may cause damage to your motherboard and in the system component.

Test the computer, insuring that it meets the necessary system requirements before booting up.

If the computer does not pass any of the power on self-test (POST), the computer will receive an irregular power on self-test. An irregular POST is a beep code which is different from the standard beep which can either be no beeps at all or a combination of different beeps.

EFFECTS OF COMPUTERSSome effects of computers relating to the violation of privacy, the

impact on the labor force, health risks, and the impact on the environment.

1. Violation of Privacy Nearly every life event is stored in a computer somewhere--in medical records, credit reports, tax records, etc. It is crucial that personal and confidential records be protected properly. In many instances, where these records were not properly protected, individuals have found their privacy violated and identities stolen.

2. Impact on Labor Force. Although computers have improved productivity in many ways and created an entire industry with hundreds of thousands of new jobs, the skills of millions of workers and managers have been replaced by computers. Thus, it is crucial that workers keep their education up-to-date. A separate impact on the labor force is that some companies are outsourcing jobs to foreign countries instead of keeping their homeland labor force employed.

3. Health Risks Prolonged or improper computer use can lead to injuries or disorders of the hands, wrists, elbows, eyes, necks, and back. Computer users can protect themselves from these health risks through proper workplace design, good posture while at the computer, and appropriately spaced work breaks. Another health risk, called computer addiction, occurs when someone becomes obsessed with using the computer. Once recognized, computer addiction is a treatable disorder.



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4. Public Safety Adults, teen, and children around the world are using computers to share publicly their photos, videos, journals, music, and other personal information. Some of these unsuspecting, innocent computer users have fallen victim to crimes committed by dangerous strangers. Protect yourself and your dependents from these criminals by being cautious. For example, do not share information that would allow others to identify or locate you.

5. Impact on Environment. Computer manufacturing processes and computer waste are depleting natural resources and polluting the environment. The amount of resources required to manufacture a personal computer equals that of a mid-sized car. When computers are discarded in landfills, they release toxic materials and potentially dangerous levels of lead, mercury, and flame retardants. Strategies that can help protect the environment include recycling, regulating manufacturing processes, extending the life of computers, and immediately donating replaced computers



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SELF-CHECK NO. 1.1-1

A. Direction. Write TRUE if the statement is correct and FALSE if it is wrong. Write your answers on a separate sheet of paper

1. Failure to do the proper jumper setting may cause damage to your CPU.

2. After adding and removing any other system components, make sure

that you unplug your power supply.3. Test the computer, insuring that it meets the necessary system

requirements before booting up.4. With an effective cooling fan, the CPU can overheat and cause

damage to both CPU and the motherboard.

5. After starting the installation, read carefully the documentation and procedures on any hardware and software settings that may be required.

B. Identify what specific effect of computer is illustrated on each item below.

A. Violation of PrivacyB. Impact on the EnvironmentC. Public SafetyD. Health RiskE. Impact on Labor Force

1. Depletion of natural resources and pollution of the environment caused by computer manufacturing processes and computer wastes

2. Hundreds of thousands of new jobs, the skills of millions of workers and managers have been replaced by computers.

3. Stolen identities and invasion to privacy 4. Victims of crimes due public sharing of photos, journals, videos, music

and other personal information5. Injuries or disorders of the hands, wrists, elbows, eyes, necks, and back



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Note: Compare your answers with the Answer Key on the next page. If you get 80% and above, then you may proceed to the next activitybut if not, master the lesson and take the Self-Check again.

ANSWER KEY 1.1-1

A. True of False1. TRUE2. FALSE3. TRUE4. FALSE5. FALSE

B. Identification1. Impact of the Environment2. Impact on Labor Force3. Violation of Privacy4. Public Safety5. Health Risk



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INFORMATION SHEET NO. 1.1-2

BASIC REQUIREMENTS FOR A PLANNED INSTALLATION

LEARNING OBJECTIVES:After reading this Information Sheet, you should be able to:

1. Prepare the required documents or forms before you do a well planned installation

2. Identify the qualifications to be a certified hardware professional so that you could be allowed and authorized to do a well planned installation

Are you the person everyone calls when they have a computer problem? Have you considered getting paid for fixing near-fatal errors and turning your PC prowess into a business? According a recent report, sales of computer services are expected to exceed $47 billion this year in the U.S. alone, with PC repair leading the way. But there are some requirements that you need to know before joining the bandwagon of Computer Hardware Servicing trade, like document/forms (e.g. Job Orders, Request Forms, and Report Sheets) and qualifications for personnel in repairing computers.

REQUIRED DOCUMENTS/FORMS:A. Job Order

A Job order (known as works order outside of the United States because the work is produced in a manufacturing area known as the works) or job order (sometimes job ticket or work ticket, as it often has some type of ticket attached) is an order received by an organization from a customer or client, or an order created internally within the organization. A work order may be for products or services.



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In a manufacturing environment, a work order is converted from a sales order to show that work is about to be begin on the manufacture, building or engineering of the products requested by the customer. In a service environment, a work order can be equivalent to a service order where the WO records the location, date and time the service is carried out and the nature of work that is done. The type of personnel (e.g. job position) may also be listed on the WO. A rate (e.g. $/hr, $/week) and also the total amount of hours worked and total value is also shown on the work order.

A work order may be a maintenance or repair request from students, faculty or staff in a university.

Orders received from outside an organization are often dispatched (reviewed and scheduled) before being executed. Work orders may be for preventive maintenance

Contractors may use a single job work order and invoice form that contains the customer information, describes the work performed, lists charges for material and labor, and can be given to the customer as an invoice. A job order is an internal document extensively used by projects-based, manufacturing, building and fabrication businesses. A job order may be for products and/or services. In a manufacturing environment, a job order is used to signal the start of a manufacturing process and will most probably be linked to a bill of material. Hence, the job order will probably state:

1. the quantity of the product to be manufactured, built or fabricated2. the amount of raw material to be used, its price and amount3. the types of labor required, rate (per hour or per unit) and amount4. the machine utilization for each machine during the routing process, its

rate and amount

In a service environment, a job order can be the equivalent to a work or service order where the job order records the location, date and time the service is carried out and the nature of service that was carried out. The type of personnel (e.g. job position) may also be listed on the job order. A rate (e.g. $/hr, $/week) and also the total amount of hours worked and total value is also shown.



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Sample Job Order Form

Computer Repair Job Order Form

Teacher Client’s Name School Perpetual Help College

Date September 12, 2015 Computer # 001

Service Tag# 001 Model Intel Pent IV

Serial # 4737Z

Computer Problem: (Brief Description of the Problem)

***Blue Screen Error***

___________________________________________________________________________

For Technical Department Used Only

Fax No. (02)922-5566

Computer Fixed By: Jiman Jesoro



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Date Sent Back to School: ________________

Memory Transcend 1 GHz Processor Pentium Dual-Core 2 GHz

Hard Drive Space Hitachi Sata 80 Gig Windows Windows XP Pro

B. Request Form and Report Sheet

Computer Hardware Servicing maintenance, which includes planned installation, main objective is to keep and improve production facilities, to keep and improve production facilities stable and efficient at the lowest life cycle cost with the active participation of all members in the company. A Request Form is used to put this objective into action. And the Report Sheet and Request Form bring to life this maintenance’s purposes which are:

To increase productivity through maximum utilization and improvement of all equipment

To develop maintenance system to reduce life cycle cost of machinery and equipment through the involvement of everybody in the organization

To develop the operator’s capability to be competent in maintenance activities through education, training and motivation.

To enhance capability for advanced and sophisticated technology that would reinforce competitive power.



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Sample Request Form

UNIT NO. 5-2Description: Acer Aspire 4736Z Laptop Computer

Observation/s:

***Corrupted Operating System***Date Reported:September 12, 2015

Reported by:

Activity: Reformat Laptop



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Date Completed: November 03, 2015

Sign:

Sample Report Sheet

Repair Report Sheet

Area/Section: Computer Hardware Laboratory

Facility Type Nature of

Breakdown

Recommendatio

n

Laptop No

Operating

System Error

Viral Corruption

Refer to the Technical Department for Reformatting of the Operating System



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Reported by: Lorelie H. Luy

Date: October 15, 2015

REQUIRED QUALIFICATION FOR A COMPUTER HARDWARE

PERSONNEL:

What Qualifications Do You Need to Become a PC Repair Technician?

Education

Employers prefer applicants who have completed formal electronics training in a vocational school, community college or similar setting, reports the Bureau of Labor Statistics. Training programs may last from 6 months to two years. Some employers require at least a high school diploma or GED.

Certifications

Trainees can take the TESDA NC II Computer Hardware Servicing assessment to demonstrate their competency for entry-level jobs to employers. The Technical Education and Skills Development Authority or TESDA offers a variety of certification programs. In addition, technicians can achieve certifications even for trainership.

Physical and Personal Traits

PC technicians must be able to squat, bend and reach to access the computer equipment requiring repair. They should be physically able to lift at least 50 pounds of computer components. Employers look for technicians



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who can stand for long periods of time and have the ability to perceive a variety of colors. Employers want technicians who think analytically, are organized and pay attention to detail. They should feel comfortable working under tight deadlines, and companies may expect them to work overtime or on weekends.

Knowledge and Skills

Applicants should know how to use a variety of standard office software, and some jobs also require knowledge of networking. Companies prefer candidates with previous PC repair experience, and they may look for candidates with experience repairing specific brands of computers. Technicians need strong oral communication skills and should be able to explain their findings to customers using common terms.


A. IDENTIFICATION

Direction: the Precautions and Procedures write TRUE if the statement

is correct and FALSE if the statement is wrong.

_________ 1. Anyone can perform a planned installation as long as he knows it.

_________ 2. The Department of Education, Culture and Sports facilitates the competency assessment for computer technicians.

__________3. Computer Technicians are given the TESDA NC II Computer Hardware Servicing by TESDA after successfully taking the Assessment.

_________ 4. Computer Technicians need not to have strong oral communication skills for they only repair computers.

__________5. Companies prefer candidates with previous PC repair experience,



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and they may look for candidates with experience repairing specific brands of computers.

__________6. A job order is an external document by a project based Business.

__________7. A job order can be the equivalent to a work or service order where the job order records the location, date and time the service is carried out and the nature of service that was carried out.

Compare your answers with the Answer Key on the next page.

If you get 80% and above, then you may proceed to the next

activity but if not, master the lesson and take the Self-Check

again.

ANSWER KEY 1.1-2

IDENTIFICATION

1. FALSE2. FALSE3. FALSE4. FALSE5. FALSE6. FALSE7. TRUE



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INFORMATION SHEET 1.1-3

FUNDAMENTALS OF OPERATING SYSTEM

LEARNING OBJECTIVES:

After reading this Information Sheet, you should be able to:

1. Identify fundamentals of operating systems2. Determine the different types of operating systems



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An Operating System (OS) is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is a vital component of the system software in a computer system. Application programs require an operating system which are usually separate programs, but can be combined in simple systems.

Time-sharing operating systems schedule tasks for efficient use of the

system and may also include accounting for cost allocation of processor

time, mass storage, printing, and other resources.

For hardware functions such as input and output and memory

allocation, the operating system acts as an intermediary between application

programs and the computer hardware, although the application code is

usually executed directly by the hardware and will frequently make a system

call to an OS function or be interrupted by it. Operating systems are found on

almost any device that contains a computer—from cellular phones and video

game consoles to supercomputers and web servers.

TYPES OF OPERATING SYSTEMS:

Real-time

A real-time operating system is a multitasking operating system that

aims at executing real-time applications. Real-time operating systems often

use specialized scheduling algorithms so that they can achieve a

deterministic nature of behavior. The main objective of real-time operating

systems is their quick and predictable response to events. They have an

event-driven or time-sharing design and often aspects of both. An event-



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http://en.wikipedia.org/wiki/Real-time_operating_system

http://en.wikipedia.org/wiki/Web_servers

http://en.wikipedia.org/wiki/Supercomputers

http://en.wikipedia.org/wiki/Video_game_console

http://en.wikipedia.org/wiki/Video_game_console

http://en.wikipedia.org/wiki/Cellular_phone

http://en.wikipedia.org/wiki/System_call

http://en.wikipedia.org/wiki/System_call

http://en.wikipedia.org/wiki/Dynamic_memory_allocation

http://en.wikipedia.org/wiki/Dynamic_memory_allocation

http://en.wikipedia.org/wiki/System_software

http://en.wikipedia.org/wiki/Application_software

http://en.wikipedia.org/wiki/Computer_hardware

http://en.wikipedia.org/wiki/Computer_program

driven system switches between tasks based on their priorities or external

events while time-sharing operating systems switch tasks based on clock

interrupts.

Multi-user

A multi-user operating system allows multiple users to access a

computer system concurrently. Time-sharing system can be classified as

multi-user systems as they enable a multiple user access to a computer

through the sharing of time. Single-user operating systems, as opposed to a

multi-user operating system, are usable by a single user at a time. Being

able to use multiple accounts on a Windows operating system does not make

it a multi-user system. Rather, only the network administrator is the real

user. But for a Unix-like operating system, it is possible for two users to login

at a time and this capability of the OS makes it a multi-user operating

system.

Multi-tasking vs. Single-tasking

When only a single program is allowed to run at a time, the system is

grouped under a single-tasking system. However, when the operating

system allows the execution of multiple tasks at one time, it is classified as a

multi-tasking operating system. Multi-tasking can be of two types: pre-

emptive or co-operative. In pre-emptive multitasking, the operating system

slices the CPU time and dedicates one slot to each of the programs. Unix-like

operating systems such as Solaris and Linux support pre-emptive

multitasking, as does Amiga OS. Cooperative multitasking is achieved by

relying on each process to give time to the other processes in a defined

manner. 16-bit versions of Microsoft Windows used cooperative multi-

tasking. 32-bit versions, both Windows NT and Win9x, used pre-emptive

multi-tasking. Mac OS prior to OS X used to support cooperative multitasking.



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http://en.wikipedia.org/wiki/32-bit

http://en.wikipedia.org/wiki/16-bit

http://en.wikipedia.org/wiki/AmigaOS

Distributed

A distributed operating system manages a group of independent

computers and makes them appear to be a single computer. The

development of networked computers that could be linked and communicate

with each other gave rise to distributed computing. Distributed computations

are carried out on more than one machine. When computers in a group work

in cooperation, they make a distributed system.

Embedded

Embedded operating systems are designed to be used in embedded

computer systems. They are designed to operate on small machines like

PDAs with less autonomy. They are able to operate with a limited number of

resources. They are very compact and extremely efficient by design.

Windows CE and Minix 3 are some examples of embedded operating

systems.

EXAMPLES OF OPERATING SYSTEMS:

Unix and Unix-like operating systems

Ken Thompson wrote B, mainly based BCPL, which he used to write

Unix, based on his experience in the MULTICS project. B was replaced by C,

and Unix developed into a large, complex family of inter-related operating

systems which have been influential in every modern operating system (see

History).



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The Unix-like family is a diverse group of operating systems, with

several major sub-categories including System V, BSD, and GNU/Linux. The

name "UNIX" is a trademark of the Open Group which licenses it for use with

any operating system that has been shown to conform to their definitions.

"Unix-like" is commonly used to refer to the large set of operating systems

which resemble the original Unix.

Unix-like systems run on a

wide variety of computer

architectures. They are used

heavily for servers in business, as

well as workstations in academic

and engineering

environments. Free Unix variants,

such as GNU/Linux and BSD, are

popular in these areas.

Four operating systems are certified by the The Open Group (holder of

the Unix trademark) as Unix. HP's HP-UX and IBM's AIX are both descendants

of the original System V Unix and are designed to run only on their

respective vendor's hardware. In contrast, Sun Microsystems's Solaris

Operating System can run on multiple types of hardware,

including x86 and Sparc servers, and PCs. Apple's Mac OS X, a replacement

for Apple's earlier (non-Unix) Mac OS, is a hybrid kernel-based BSD variant

derived from NeXTSTEP, Mach, and FreeBSD.

Unix interoperability was sought by establishing the POSIX standard.

The POSIX standard can be applied to any operating system, although it was

originally created for various Unix variants.

BSD and its descendants

A subgroup of the Unix

family is the Berkeley Software



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http://en.wikipedia.org/wiki/Hybrid_kernel

http://en.wikipedia.org/wiki/Mac_OS_X

http://en.wikipedia.org/wiki/Sparc

http://en.wikipedia.org/wiki/X86

http://en.wikipedia.org/wiki/Solaris_Operating_System

http://en.wikipedia.org/wiki/Solaris_Operating_System

http://en.wikipedia.org/wiki/Sun_Microsystems

http://en.wikipedia.org/wiki/AIX_operating_system

http://en.wikipedia.org/wiki/HP-UX

http://en.wikipedia.org/wiki/The_Open_Group

http://en.wikipedia.org/wiki/Berkeley_Software_Distribution

http://en.wikipedia.org/wiki/GNU/Linux

http://en.wikipedia.org/wiki/Free_software

http://en.wikipedia.org/wiki/Workstation

http://en.wikipedia.org/wiki/Server_(computing)

http://en.wikipedia.org/wiki/Computer_architecture

http://en.wikipedia.org/wiki/Computer_architecture

http://en.wikipedia.org/wiki/The_Open_Group

http://en.wikipedia.org/wiki/UNIX

http://en.wikipedia.org/wiki/GNU/Linux

http://en.wikipedia.org/wiki/BSD_(operating_system)

http://en.wikipedia.org/wiki/System_V

http://en.wikipedia.org/wiki/Unix-like

http://en.wikipedia.org/wiki/File:Unix_history-simple.svg

http://en.wikipedia.org/wiki/File:First_Web_Server.jpg

Distribution family, which includes FreeBSD, NetBSD, and OpenBSD. These

Operating systems are most commonly found on web servers, although they

can also function as a personal computer OS. The internet owes much of its

existence to BSD, as many of the protocols now commonly used by

computers to connect, send and receive data over a network were widely

implemented and refined in BSD. The world wide web was also first

demonstrated on a number of computers running an OS based on BSD

called NextStep.

BSD has its roots in Unix. In 1974, University of California,

Berkeley installed its first Unix system. Over time, students and staff in the

computer science department there began adding new programs to make

things easier, such as text editors. When Berkely received

new VAX computers in 1978 with Unix installed, the school's undergraduates

modified Unix even more in order to take advantage of the computer's

hardware possibilities. The Defense Advanced Research Projects Agency of

the US Department of Defense took interest, and decided to fund the project.

Many schools, corporations, and government organizations took notice and

started to use Berkeley's version of Unix instead of the official one

distributed by AT&T.

Steve Jobs, upon leaving Apple Inc. in 1985, formed NeXT Inc., a

company that manufactured high-end computers running on a variation of

BSD called NeXTSTEP. One of these computers was used by Tim Berners-

Lee as the first web server to create the World Wide Web.

Developers like Keith Bostic encouraged the project to replace any

non-free code that originated with Bell Labs. Once this was done, however,

AT&T sued. Eventually, after two years of legal disputes, the BSD project

came out ahead and spawned a number of free derivatives, such

as FreeBSD and NetBSD.

Mac OS X



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Mac OS X is a line of open

core graphical operating systems

developed, marketed, and sold

by Apple Inc., the latest of which is pre-

loaded on all currently

shipping Macintosh computers. Mac OS

X is the successor to the original Mac

OS, which had been Apple's primary operating system since 1984. Unlike its

predecessor, Mac OS X is a UNIX operating system built on technology that

had been developed at NeXT through the second half of the 1980s and up

until Apple purchased the company in early 1997.

The operating system was first released in 1999 as Mac OS X Server

1.0, with a desktop-oriented version (Mac OS X v10.0 "Cheetah") following in

March 2001. Since then, six more distinct "client" and "server" editions of

Mac OS X have been released, the most recent being OS X 10.8 "Mountain

Lion", which was first made available on February 16, 2012 for developers,

and to be released to the public late summer 2012. Releases of Mac OS X are

named after big cats.

The server edition, Mac OS X Server, is architecturally identical to its

desktop counterpart but usually runs on Apple's line of Macintosh server

hardware. Mac OS X Server includes work group management and

administration software tools that provide simplified access to key network

services, including a mail transfer agent, a Samba server, an LDAP server,

a domain name server, and others. In Mac OS X v10.7 Lion, all server aspects

of Mac OS X Server have been integrated into the client version.

Linux and GNU

Linux (or GNU/Linux) is a

Unix-like operating system that

was developed without any



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http://en.wikipedia.org/wiki/Network_service

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http://en.wikipedia.org/wiki/OS_X_Mountain_Lion

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http://en.wikipedia.org/wiki/Mac_OS_X_Server_1.0

http://en.wikipedia.org/wiki/Mac_OS_X_Server_1.0

http://en.wikipedia.org/wiki/NeXT

http://en.wikipedia.org/wiki/UNIX

http://en.wikipedia.org/wiki/Mac_OS

http://en.wikipedia.org/wiki/Mac_OS

http://en.wikipedia.org/wiki/Macintosh

http://en.wikipedia.org/wiki/Apple_Inc.

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http://en.wikipedia.org/wiki/File:10_8_composite.jpeg

http://en.wikipedia.org/wiki/File:Ubuntu_11.10_Final.png

actual Unix code, unlike BSD and its variants. Linux can be used on a wide

range of devices from supercomputers to wristwatches. The Linux kernel is

released under an open source license, so anyone can read and modify its

code. It has been modified to run on a large variety of electronics. Although

estimates suggest that Linux is used on 1.82% of all personal computers, it

has been widely adopted for use in servers and embedded systems (such as

cell phones). Linux has superseded Unix in most places, and is used on the

10 most powerful supercomputers in the world. The Linux kernel is used in

some popular distributions, such as Red Hat, Debian, Ubuntu, Linux

Mint and Google's Android.

The GNU project is a mass collaboration of

programmers who seek to create a completely free

and open operating system that was similar to Unix

but with completely original code. It was started in

1983 by Richard Stallman, and is responsible for

many of the parts of most Linux variants. Thousands

of pieces of software for virtually every operating

system are licensed under the GNU General Public

License. Meanwhile, the Linux kernel began as a side

project of Linus Torvalds, a university student from

Finland. In 1991, Torvalds began work on it, and

posted information about his project on a newsgroup

for computer students and programmers. He

received a wave of support and volunteers who

ended up creating a full-fledged kernel. Programmers from GNU took notice,

and members of both projects worked to integrate the finished GNU parts

with the Linux kernel in order to create a full-fledged operating system.

Microsoft Windows



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http://en.wikipedia.org/wiki/Google

http://en.wikipedia.org/wiki/Linux_Mint

http://en.wikipedia.org/wiki/Linux_Mint

http://en.wikipedia.org/wiki/Ubuntu_(operating_system)

http://en.wikipedia.org/wiki/Debian

http://en.wikipedia.org/wiki/Red_Hat

http://en.wikipedia.org/wiki/Linux_kernel

http://en.wikipedia.org/wiki/File:Android_4.0.png

Microsoft Windows is a family of proprietary operating systems

designed by Microsoft Corporation and primarily targeted to Intel

architecture based computers, with an estimated 88.9 percent total usage

share on Web connected computers. The newest version is Windows 7 for

workstations and Windows Server 2008 R2 for servers. Windows 7 recently

overtook Windows XP as most used OS.

Microsoft Windows originated in 1985 as an application running on top

of MS-DOS, which was the standard operating system shipped on most Intel

architecture personal computers at the time. In 1995, Windows 95 was

released which only used MS-DOS as a bootstrap. For backwards

compatibility, Win9x could run real-mode MS-DOS and 16 bits Windows

3.x drivers. Windows Me, released in 2000, was the last version in the Win9x

family. Later versions have all been based on the Windows NT kernel.

Current versions of Windows run on IA-32 and x86-64 microprocessors,

although Windows 8 will support ARM architecture. In the past, Windows NT

supported non-Intel architectures.

Server editions of Windows are widely used. In recent years, Microsoft has expended significant capital in an effort to promote the use of Windows as a server operating environment. However, Windows' usage on servers is not as widespread as on personal computers, as Windows competes against Linux and BSD for server market share.



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http://en.wikipedia.org/wiki/Windows_NT

http://en.wikipedia.org/wiki/Windows_Me

http://en.wikipedia.org/wiki/Windows_95

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http://en.wikipedia.org/wiki/Windows_Server_2008_R2

http://en.wikipedia.org/wiki/Windows_7

http://en.wikipedia.org/wiki/Microsoft_Corporation

http://en.wikipedia.org/wiki/Proprietary_software


A. IDENTIFICATION

Direction: Identify the Precautions and Procedures write TRUE if the

statement is correct and FALSE if the statement is wrong.

________1) An operating system is a set of programs that manage computer hardware resources and provide common services for application software.________2) Operating system is not a vital component of the system software in a computer system. Application programs require an operating



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system which are usually separate programs, but can be combined in simple systems.________3) Time-sharing operating systems schedule time for efficient use of the system and may also include accounting for cost allocation of processor time, mass storage, printing, and other resources.________4) For software functions such as input and output and memory allocation, the operating system acts as an intermediary between application programs and the computer hardware.________5) Operating systems are found on almost any device that contains a computer—from cellular phones and video game consoles to supercomputers and web servers




again



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ANSWER KEY 1.1-3

IDENTIFICATION

1. TRUE2. FALSE3. FALSE4. FALSE5. TRUE



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INFORMATION SHEET NO. 1.1-4

COMPUTER COMPONENTS, PERIPHERALS AND DEVICES


1. Classify of the hardware and software components of a computer with its corresponding functions.

2. Determine the various computer components, devices and peripherals



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A computer system is a special subsystem of an organization's overall information system. It is an integrated assembly of devices, centered on at least one processing mechanism utilizing digital electronics, which are used to input, process, store, and output data and information.

Putting together a complete computer system, however, is more involved than just connecting computer devices. In an effective and efficient system, components are selected and organized with an understanding of the inherent tradeoffs between overall system performance and cost, control, and complexity.

The physical, touchable, electronic and mechanical parts of a computer are

called the hardware which is composed of different devices attached to thecomputer.

1. System Unit- The main part of a microcomputer, sometimes called the chassis. It includes the following

parts: Motherboard, Microprocessor, Memory Chips, Buses, Ports, Expansion Slots and Cards.

2. Motherboard /

Mainboard / System

Board- The main circuit

board of a

computer. It contains all the circuits and components that run the computer.



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What are the devices of a computer?

3. CPU (Central Processing Unit) - The processor is the main “brain” or

“heart” of a computer system. It performs all of the instructions and

calculations that are needed and manages the flow of information through a

computer.

4. Primary storage- (internal storage, main memory or memory) is the computer's working storage space that holds data, instructions for processing and processed data (information) waiting to be sent to secondary storage. Physically, primary storage is a collection of RAM chips.

Two (2) Types of Memory

a. ROM – (Read Only Memory) ROM is non-volatile, meaning it holds data even when the power is ON or OFF.

b. RAM – (Random Access Memory) RAM is volatile, meaning it holds data only when the power is on. When the power is off, RAM's contents are lost



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Figure 4. Tower Type System Unit

Figure 5. Modern Motherboard

Figure 6. Examples of CPU (Intel Core 2 Duo and AMD Athlon)

5. Expansion Bus - A bus is a data pathway between several hardware components inside or outside a computer. It does not only connect the parts of the CPU to each other, but also links the CPU with other important hardware.

6. Adapters- Printed-circuit boards (also called interface cards) that enable the computer to use a peripheral device for which it does not have the necessary connections or circuit boards. They are often used to permit upgrading to a new different hardware.



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Figure 7. Examples of RAM

Figure 8.Expansion Bus

7. Power Supply Unit (PSU) - Installed in the back cornerof the PC case, next to the motherboard. It converts 120vac (standard house power) into DC voltages that are used by other components in the PC.

8. Hard Disk Drive (HDD) - Also known as hard drive, is a magnetic storage device that is installed inside the computer. The hard drive is used as permanent storage for data. In a Windows computer, the hard drive is usually configured as the C: drive and contains the operating system and applications.

9. Optical Drive- An optical drive is a storage device that uses lasers to read data on the optical media. There are three types of optical drives: Compact Disc (CD), Digital Versatile Disc (DVD) and Blu-ray Disc (BD).



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Figure 9. Adapter (Network Adapter)

Figure10. Power supply

Figure 11.Hard Disc

10. Digital Versatile Disc (DVD) - Designed tooptically access data stored on a DVD. A lasermoves back and forth near the disk surface andaccesses data at a very fast rate.

What are the input and output devices of a computer?

The devices attached to a personal computer can be classified into two- the input and output devices. Input Device is composed of a device that accepts data and instructions from the user or from another computer system. While, output device is any piece of computer hardware that displays results after the computer has processed the input data that has been entered.

Two (2) Types of Input Devices

1. Keyboard Entry – Data is inputted to the computer through a keyboard.Keyboard - The first input device developed for the PC. Data is

transferred to the PC over a short cable with a circular 6-pin Mini-din



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Figure12. CD ROM

Figure 13.DVD ROM

connector that plugs into the back of the motherboard.

2. Direct Entry – A form of input that does not require data to be keyed by someone sitting at a keyboard. Direct-entry devices create machine-readable data on paper, or magnetic media, or feed it directly into the computer’s CPU.

Three Categories of Direct Entry Devices

1. Pointing Devices - An input device used to move thepointer (cursor) on screen.

Mouse - The most common 'pointing device' used in PCs. Every mouse has two buttons and most have one or two scroll wheels.

Touch screen- A display screen that is sensitive to the touch of a finger or stylus. Used in myriad applications, including ATM machines, retail point- of-sale terminals, car navigation and industrial controls. The touch screen became wildly popular for smart phones and tablets.

Light Pen - A light-sensitive stylus wired to a video terminal used to draw

pictures or select menu options. The user brings the pen to the desiredpoint on screen and presses the pen button to make contact.



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Figure14. Keyboard

Figure15. Mouse

Figure16. Touch Screen Devices

Digitizer Tablet - A graphics drawing tablet used for sketching new images or tracing old ones. Also called a "graphics tablet," the user contacts the surface of the device with a wired or wireless pen or puck. Often mistakenly called a mouse, the puck is officially the "tablet cursor."



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Figure17. Light Pen

Figure19. Image scanner

2. Scanning Devices- A device that can read text or illustrations printed

on paper and translates the information into a form the computer can

use.

3. Voice- Input Devices - Audio input devices also known as speech or voice recognition systems that allow a user to send audio signals to a computer for processing, recording, or carrying out commands. Audio input devices such as microphones allow users to speak to the computer in order to record a voice message or navigate software.



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Figure19. Image scanner

Figure20. Bar Code Reader

Figure 21. Microphones

Output Devices

1. Computer Display Monitor- It displays information in visual form, using text and graphics. The portion of the monitor that displays the information is called the screen or video display terminal.

Types of Monitor

a. CRT Monitors - Cathode Ray Tubes (CRT) were the only type of displays for use with desktop PCs. They are relatively big (14" to 16" deep) and heavy (over 15 lbs).

b. LCD Monitors – Liquid Crystal Display (LCD) technology has been used in laptops for some time. It has recently been made commercially available as monitors for desktop PCs.

c. LED Monitors (Light Emitting Diode) - A display and lighting technology used in almost every electrical and electronic product on the market, from a tiny on/off light to digital readouts, flashlights, traffic lights

and perimeter lighting.



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Figure22. Types of Monitor

2. LCD Projectors- utilize two sheets of polarizing material with a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light cannot pass through them. Each crystal, therefore, is like a shutter, either allowing light to pass through or blocking the light.

3. Smart Board - A type of display screen that has a touch sensitive transparent panel covering the screen, which is similar to a touch screen.

4. Printer - A device that prints text or illustrations on paper.

Types of printer

a) Ink-Jet or Bubble-Jet Printer - spays ink at a sheet of paper. Ink-jet printers produce high-quality text and graphics.

b) Laser Printer - Uses the same technology as copy machines. Laser printers produce very high quality text and graphics.



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Figure24. Smart Board

c) LCD and LED Printer- Similar to a laser printer, but uses liquid crystals or light- emitting diodes rather than a laser to produce an image on the drum.

d) Line Printer - Contains a chain of characters or pins that print an entire line at one time. Line printers are very fast, but produce low-quality print.

(e) Thermal Printer- An inexpensive printer that works by pushing heated pins against heat-sensitive paper. Thermal printers are widely used in calculators and fax machines.



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5. Speakers - Used to play sound. They may be

built into the system unit or connected with

cables. Speakers allow you to listen to music and

hear sound effects from your computer.

What is a Storage Device?

Aside from the devices attached on a PC, there are also the so called Storage devices that perform a special task in computing system. Storage device is any apparatus for recording computer data in a permanent or semi-permanent form.



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Figure 28.Types of Printer

Figure 29.Speaker

Floppy diskette- is a random access, removable data storage medium that can be used with personal computers. The term usually refers to the magnetic medium housed in a rigid plastic cartridge measuring 3.5 inches square and about 2millimeters thick. Also called a "3.5-inch diskette," it can store up to 1.44 megabytes(MB) of data.

Compact disc (CD) – also called optical disc is a nonmagnetic, polished metal disk used to store digital information. The disc is read by the CD- ROM.

Digital Versatile Disc (DVD)- an optical disc technology with a 4.7 gigabyte storage capacity on a single-sided, one-layered disk, which is enough for a 133-minute movie.

Jump drive and USB flash drive- is a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a key chain. A USB drive can be used in place of a floppy disk, Zip drive disk, or CD.

Hard drive- is the main, and usually largest, data storage device in a computer. The operating system, software titles and most other files are stored in the hard disk drive.

LS-120- is a drive which supports a special floppy diskette which can store up to 120MB of information as well as being backwards compatible and still supporting the standard 1.44MB floppy diskettes.

Zip drive-is a small, portable disk drive

used primarily for backing up and archiving personal computer files.



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Figure 30.Storage Devices

SELF CHECK 1.1-4

Matching Type. Match column A with Column B and write your answer on a separate sheet of paper.

A

B



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1. It serves as the brain of computer.2. Printed-circuit boards (also called

interface cards) that enable the computer to use a peripheral device

3. Also called read/write memory4. a small, portable disk drive used

primarily for backing up files5. The main circuit board of a computer6. Also called diskette7. Acts as a pointing device8. Device that makes sounds, clips and

any audio materials be heard.9. Component that reads and record

data in CDs and DVDs. 10.it is a visual device that displays the information

10. It is a visual device that displays the information

a. Adapterb. CD- ROMc. CPUd. Floppy diske. Microphonef. Monitorg. Motherboardh. Mousei. Optical Drivej. RAMk. ROMl. Speakerm. Zip Drive

Answer Key 1.1-4

1. C

2. A

3. K

4. M

5. G

6. D

7. H

8. L

9. B

10. F



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TASK SHEET. 1.1-4

Title: Identify the Different Computer Components and Peripherals

Performance Objective In the tool shop, given the supplies, computer components and peripherals, materials, and equipment, you are required to identify the different computer components and peripherals and their specifications in 15 Minutes.

Supplies/Materials: Paper and Pen

Equipment:

1. Computer2. PPE

Steps/Procedure:

1. Proceed to the station (with PC Unit) assigned to you2. Identify the different components and write the specifications of

each component on your paper.3. Submit output to trainer for evaluation



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Assessment Method: Practicum with interview

PERFORMANCE CRITERIA CHECKLIST TASK 1.1-4

Criteria Yes No

Computer components and peripherals are identified

correctly

Questions about the computer components and

peripherals are answered correctly

Personal Protective Equipment(PPE) were used properly

The objective of the activity are achieved accordingly



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INFORMATION SHEET 1.1-5MATERIALS, TOOLS AND EQUIPMENT


1. Identify the different tools and equipment used in computer systemsand networks

2. Determine the different use and functions of these materials, tools and equipment

One important thing to consider before executing a well planned computer installation is that one must be knowledgeable in the different tools and equipment used in computer systems and networks. Furthermore, the idea on how these materials, tools and equipment are properly used is another important consideration in installing computer systems.

The following tools and equipment are classified according to their functions and uses.



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Materials, Tools and Equipment IllustrationLAN Card – is a network interface card.

This is a computer circuit board or card that is installed in a computer so that it can be connected to a network.

UPS- Uninterruptible Power Supply- Provides emergency power to a load when the input power source, typically mains power, fails

Server – is a part of a network. It is a special computer that users on the network can access to carry out a particular job.

Port hub /Port – is a connector on the back of

a computer or other device. A port is either a serial port or a parallel port.

Fax machine -Processes the contents (text or images) as a single fixed graphic image, converting it into a bitmap, and then transmitting it through the telephone system in the form of audio-frequency tones



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LUY, LORELIE H.

Screwdriver(standard/ flat head)Screwdriver(Philips)Long nose pliersMechanical pliersAllen wrenchMultitesterCrimping toolsSoldering iron (30 watts)Wire stripperLAN TesterAnti-static wrist wrap

LAN CardUPSServer24 port-hubModemFax machinePC Video cameraUSB External CD/DVD

writerUSB scannerUSB printersUSB Flash Drive

Software applicationsNetwork OS SoftwareRJ 45UTP Cat 5 cableMotherboard’s manualand installer

Device drivers/installers

https://en.wikipedia.org/wiki/Mains_electricity

PC Video Camera - Feeds or streams its image in real time to or through a computer to computer network. When "captured" by the computer, the video stream may be saved, viewed or sent on to other networks via systems such as the internet, and email as an attachment. When sent to a remote location, the video stream may be saved, viewed on or sent there.

USB External CD/DVD writer- Provides professional

quality and performance for writing, rewriting and reading DVD and CD media. It supports Running OPC (ROPC) technology and is compatible with Windows Plug & Play function. In addition, the drive is equipped with innovate technologies to eliminate buffer-underrun errors, so you are free to use your computer for other tasks while the drive is writing to DVD or CD.

Scanner- it is an input device that reads text or illustration printed on paper, translates the information into a form that a computer can use

Modem - (Modulator-Demodulator) The modem is a device that allows a given computer to share data or otherwise a device which let computers exchange information

Printer - is a piece of hardware that produces a paper copy (also known as ‘hardcopy’) of the information generated by the computer.



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https://en.wikipedia.org/wiki/Computer_network

https://en.wikipedia.org/wiki/Computer

https://en.wikipedia.org/wiki/Streaming_media

USB flash drive– Universal Serial Bus, a hardware interface for low-speed peripherals such as the keyboard, mouse, joystick, scanner, printer and telephony devices.

Flat head screwdriver - used to loosen or tighten slotted

screws.

Philips head screwdriver - used to loosen or tighten cross-

hea

Long nose Pliers – is used for holding, bending

and stretching the lead of electronics component or connecting wire.

Allen Wrench - A hex key, Allen key, or Allenwrench (also known by various other synonyms) is a tool of hexagonal cross-section used to drive bolts and screws that have a hexagonal socket in the head (internal-wrenching hexagon drive)

Multi-tester or Multi-meter – used to test the integrity of circuits a quality of electricity in computer components.



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Crimping Tool - is a tool designed to crimp or connect a connector to the end of a cable. For example, network cables and phone cables are created using a crimping tool to connect the RJ- 45 and RJ-11 connectors to the end of the cable. In the picture to the right, is an example of what a crimping tool looks like. This example shows a tool capable of crimping both RJ-11 and RJ-45 connectors.

Soldering Iron – is used to join two or more metal

conductors with the support of soldering lead melted around it.

Wire Stripper- is used to remove the protective

covering (jacket) off of a cable to expose the inner wires.

Lan Tester- it is a device used for testing network cable connectivity



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Antistatic Wrist Strap – it is a device used to safely

ground a person working on very sensitive electronic equipment, to prevent the buildup of static electricity on their body, which can result in electrostatic discharge (ESD)

Device Driver - application used to install the device and peripherals of a computer systems and networks

Software Applications- Performs specific operations for various applications. These functions include writing reports, creating spreadsheets, manipulating images, keeping records, developing websites and calculating expenses. Examples of application software include Microsoft Excel, Microsoft Word and desktop publishing applications.

Windows Operating System CD/DVDAn operating system is used as an intermediary between hardware and software



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RJ 45- A plastic connector used for UTP Cable to connect computers in a network

UTP Unshielded Twisted Pair Cat 5 CableA cable used for computer networking

Motherboard’s Manual and Installer- Provides information on the installation and setup procedures for your new motherboard.

Device Drivers/ InstallersAn application used to install the device and peripherals of a computer systems and networks



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Protective Eyewear - Encloses or protects the eye

area in order to prevent particulates, infectious fluids, or chemicals from striking the eyes

Gloves - are garments for covering and protecting the whole hand.

Tweezers -are tools used for picking up objects too small to be easily handled with the human hands.

Mirror- In hardware servicing, a mirror is used for inspecting the peripherals.

IC Insertion and Extraction Tool - used for extracting and inserting BIOS Chip.

Flashlight – used to light up areas that you cannot see well.



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http://en.wikipedia.org/wiki/Hand

http://en.wikipedia.org/wiki/Human


http://en.wikipedia.org/wiki/Garment


A. IDENTIFICATION.

Direction: Identify the Precautions and Procedures write TRUE if the

statement is correct and FALSE if the statement is wrong.

________1. Protective Eyewear enclose or protect the nose area in order to

prevent particulates, infectious fluids, or chemicals

________2. Uni-tester is an electronic device for measuring instrument that combines several measurement and functions

________3. Fliers are hand tool used to hold objects firmly for bending or physical Compression

________4. A screw is a tool for driving screws and often rotating other machine elements with the mating drive system

________5. A Soldering Gun is a tool for soldering metals using tin-based solder



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to achieve a highly conductive contact

B. MATCHING TYPE

Direction: Select your answer on the choices below that will correspond on the statement. Write the letter of your answer on the space provided.

A. Mirror B. Flash light C. Gloves D. Tweezers E. IC Insertion and Extracting Tool

______ 1. A hand held portable electric light source

______ 2. Used for extracting and inserting BIOS Chip

______ 3. Used for inspecting peripherals

______ 4. Intended for picking up objects too small for human hands

______ 5. Used for hand protection



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again.

ANSWER KEY 1.1-5

A. IDENTIFICATION

1. FALSE

2. FALSE

3. FALSE

4. FALSE

5. TRUE

B. MULTIPLE CHOICE

1. B

2. E

3. A



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4. D

5. C

EVIDENCE PLAN



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QUALIFICATION: COMPUTER HARDWARE SERVICING – NC II

Title of Evaluation

INSTALL COMPUTER SYSTEMS AND NETWORKS

Units of competency covered


Ways in which evidence will be collected:

[tick the column]

Wri

tten

Exam

inati

on

Dem

onst

rati

on

wit

h Q

uest

ionin

g

Obse

rvati

on w

ith

Quest

ionin

g

The evidence must show that the trainee …

Plans and prepares installation to ensure OH&S policies and procedures , sequences the work appropriately in accordance with requirements

X X X

Consults appropriate personnel and ensures the work coordinates effectively with others involve on the work site

X X X

Obtains devices / systems which establishes procedures and to comply with requirements

X X

Determines job requirements location and installs device/systems

Obtains materials necessary to complete work and establishes procedures which checks against job requirement

Obtains tools, equipment and testing devices which needs to carry out installation work that establishes and checks procedure for correct operation and safety

X



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Checks preparatory work to ensure no unnecessary damage occurs and complies with requirements

Follows OH&S policies and procedures for installing devices/systems

X X

Installs devices / systems in accordance with requirements, without damage or distortion to the surrounding environment or services

X

Carries out variation to devices / systems installation in accordance to customer/client requirements

Responds to the events or conditions that are not planned

Obtains approval in accordance with established procedures from appropriate personnel before any contingencies are implemented Establishes and undertakes procedures according to on-going checks of quality of work

Follows OH&S policies and procedures X X

Checks and isolates circuits and systems where necessary using specified testing procedures

Removes parts or connections of the installation or service in order to conduct the test are stored to protect against loss or damage and in accordance with established procedures

Responds to events or conditions that are not a part of plan according to established procedure



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Obtains approval in accordance with established procedures from appropriate personnel before any contingencies are

implemented

Tests devices / systems and/or installation to determine whether it conforms to

requirementsX

Removes parts, and/or connections for the purpose of testing and returns to pre-test conditions in accordance with established

procedures

Undertakes final inspections to ensure the installed devices / systems conforms to

requirements

Forwards documentation to appropriate personnel in relation to test and to authority in accordance with requirements

Installs the computer systems and networks in accordance with requirements, without damage or distortion to the surrounding environment or services*

Tests and installs computer systems and network to determine whether it conforms to clients requirements*

Conducts final inspections to ensure the installed devices / systems conforms to

clients requirements*



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Types of computersIdentifies the different computer operating systems X X X

Enumerated the different peripheral devicesX X

Application packages & use of application programs X

Identifies Multimedia systems

Identifies motherboard properlyX X

Identifies Multimedia storage devices

Identifies video cards properly X X

Identifies sound cardX X

Configures Computer PC Hardware

Installs Local Area Network

Graphical user interface

Use of utilities/software



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Operating systems Diagnostic software Device drivers

NOTE: *Critical aspects of competency



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Table of SpecificationObjectives/

Content Area/ Topics

Knowledge Comprehensive Application# of

Items/ % of test

Installation is planned and prepared to ensure OH&S policies and procedures are followed, the work is appropriately sequenced in accordance with requirements

(5)10%

(2)4%

(3)6%

(10)20%

Computer operating systems

(2)4%

(3)6%

(5)10%

(10)20%

Appropriate personnel are consulted to ensure the work is coordinated effectively with others involved on the work site

(1)2%

(1)2%

(3)6%

(5)10%

Computer PC Hardware

(2)4%

(3)6%

(10)20%

(15)30%

Tools, equipment and testing devices needed to carry out the

(5)10%

(3)6%

(2)4%

(10)20%



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installation work are obtained in accordance with established procedures and checked for correct operation and safety

TOTAL(15)34%

(12)24%

(23)42%

(50)100%



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COMPETENCY EVALUATION TOOLS

Trainee: ______________________________________ Score: _____________Qualification: __________________________________ Date: ______________

UNIT OF COMPETENCY: CONFIGURE COMPUTER SYSTEMS AND NETWORKS

I. MULTIPLE CHOICEDIRECTION: Select the best answer from among the choices

given. Write your answer on your answer sheets.(15 minutes time limit. 10 items each)

1. In OHS policies and procedures, OHS stands for:

A. Occupational Health and Safety

B. Operational Health and Safety

C. Occupational Help and Safety

D. None of Above

2. Before starting the ________, read carefully the documentation and procedures on any hardware and software settings that may be required.

A. Inspection

B. Installation

C. Intonation

D. None of the Above

3. Failure to do the proper jumper setting may cause damage to your ________.

A. Monitor



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B. Printer

C. CPU

D. All of the Above

4. Without an effective ________, the CPU can overheat and cause damage to both CPU and the motherboard.

A. Cooling Fan

B. Heat Sink

C. Motherboard

D. All of the Above

5. Each bank must have the same _____ and type of memory installed in pairs.A. Size B. SpeedC. AccuracyD. All of the Above

6. Before adding and removing any other system components, make sure that you unplug your _________.

A. MotherboardB. UPSC. Power Supply D. All of the Above

7. Failure to do so may cause damage to your motherboard and in the _________.

A. Solar SystemB. System Component C. Shoot System



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D. None of the Above

8. Test the computer, insuring that it meets the necessary system requirements before _________.

A. Booting Up B. Heating UpC. Warming UpD. All of the Above

9. If the computer does not pass any of the ________________ (POST), the computer will receive an irregular_________________. An irregular POST is a beep code which is different from the standard beep which can either be no beeps at all or a combination of different beeps.

A. Power on Self-TestB. Power on Supply-TestC. Power on System-TestD. None of the Above

10. Some effects of computers relating to the violation of privacy, the impact on the _______, health risks, and the impact on the environment.

A. Strike ForceB. Lightning ForceC. Labor Force D. None of the Above.



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II. MATCHING TYPEDirections: Match the appropriate description of the following. Refer to the selection of words on the top and match them to the questionnaires below. Write the letter of your answer in your answer sheets. (10 minutes time limit. 10 items each)

A. Fundamentals of Operating System

A. Operating System

B. Application Programs

C. Time-Sharing Operating System

D. Multi-User Operating System

E. Single-Tasking System

F. Distributed Operating System

G. Embedded Operating System

H. Ken Thompson

I. Mac OS X

J. Linus Torvald

1. Require an operating system which are usually separate

programs, but can be combined in simple systems.

2. Is a set of programs that manage computer hardware resources and provide common services for application software.

3. It allows multiple users to access a computer system concurrently. Time-sharing system can be classified as multi-



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user systems as they enable a multiple user access to a computer through the sharing of time.

4. He began the Linux kernel project in1991, in a university in Finland.

5. Is a line of open core graphical operating systems developed, marketed, and sold by Apple Inc., the latest of which is pre-loaded on all currently shipping Macintosh computers.

6. He wrote B, mainly based on BCPL, which he used to write Unix, based on his experience in the MULTICS project.

7. An operating system designed to be used in embedded computer systems.

8. An operating system type that manages a group of independent computers and makes them appear to be a single computer.

9. When only a single program is allowed to run at a time, the system is grouped under this system.

10. An operating system type that schedule tasks for efficient use of the system and may also include accounting for cost allocation of processor time, mass storage, printing, and other resources.



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III. TRUE OR FALSE Directions: Write TRUE if the statement is TRUE. If the statement is FALSE. Write your answers in your answer sheets. (5 minutes time limit. 5 items each).

A. Qualification for a Computer Hardware Servicing Personnel

___________ 1. Anyone can do an installation as long as he knows how to do it.

___________ 2. The Department of Education, Culture and Sports conducts the assessment for NC II Computer Hardware Servicing.

___________ 3. Computer Technicians need not to have a strong oral communication skill.

___________ 4. Companies prefer candidates with previous pc repair experience, and they may look for candidates with experience in repairing branded computer.

____________ 5. PC Technicians must be able to jump, bend and reach to access the computer equipment requiring repair.



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IV. Modified TRUE OR FALSE Directions: Write TRUE if the statement is TRUE. If the statement is FALSE change the underlined word and write the correct answer. Write your answers in your answer sheets. (10 minutes time limit. 15 items each. Wrong spelling wrong)

A. Computer Devices and Peripherals

1. A computer is an electronic machine, operating under the control of instructions stored in its own memory, that can be programmed to accept data (input), process it into useful information (output), and store it away in a secondary storage device (store) for safekeeping or later reuse.

2. The encoding of input into output is directed by the software but performed by the hardware. Figure below shows some common computer hardware components.

3. Computer system hardware components include devices that perform the functions of input, processing, data storage; output and transfer.

4. Input devices allow you to enter data or commands in a form that the computer can use; they send the data or commands to the processing unit.

5. Input devices show people the processed data--information --in understandable and useful form.



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6. Processing devices are the computer electronic circuitry housed in the system processing.

7. The circuitry in the system unit is part of a circuit board called the motherboard.

8. The memory, formally known as the central processing unit (CPU), has electronic circuitry that manipulates input data into the information people want. Computer instructions are actually are executed in the central processing unit.

9. Memory is a series of electronic elements that temporarily holds data and program instructions while they are being processed by the CPU. –t

10. Both the processor and memory consist of chips. A chip is an electric device that contains many microscopic pathways designed to carry electrical current.

11. Storage usually means primary storage that can store data and programs outside the computer itself.

12. Communications devices provide connections between the computer and communications networks, and enable



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computer users to communicate and to exchange data, information, and programs with other computers.

13. The system unit is a box-like case that houses the processor, memory and other electronic components of the computer that are used to process data.

14. When the cover of a system unit is removed, the motherboard, also called system board, can be seen inside the housing.

15. An interior circuit (IC) contains many microscopic pathways capable of carrying electrical current.

V. COMPLETION

Complete the sentence by giving the right answer in the blanks. Write your answer in you answer sheets. (10 minutes time limit. 10 items each. Wrong spelling wrong)

A. Tools and Equipments

1. enclose or protect the eye area in order to prevent particulates, infectious fluids, or chemicals is called___________.

2. An electronic measuring instrument that combines several measurement functions in one unit is called_____________.



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http://en.wikipedia.org/wiki/Measuring_instrument

http://en.wikipedia.org/wiki/Electronics

3. A hand tool used to hold objects firmly, for bending, or physical compression is called_________.

4. A tool for driving screws and often rotating other machine elements with the mating drive system is called___________.

5. A tool for soldering metals using tin-based solder to achieve a highly conductive contact is called_______________.

6. Tools used for removing the molten solder so that the joint may be separated are called_______________.

7. A is a hand-held portable electric-powered light source is called__________.

8. Tools used for picking up objects too small to be easily handled with the human hands are called _________________.

9. A garment used for covering and protecting the whole hand is called___________.

10. A peripheral which produces a text or graphics of documents stored in electronic form, usually on physical print media such as paper or transparencies is called________________.



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http://en.wikipedia.org/wiki/Electronics

http://en.wikipedia.org/wiki/Peripheral


http://en.wikipedia.org/wiki/Human

http://en.wikipedia.org/wiki/Solder

http://en.wikipedia.org/wiki/Soldering

http://en.wikipedia.org/wiki/Tool

http://en.wikipedia.org/wiki/Machine_element

http://en.wikipedia.org/wiki/Machine_element

http://en.wikipedia.org/wiki/Screw

http://en.wikipedia.org/wiki/Compression_(physical)

http://en.wikipedia.org/wiki/Compression_(physical)

http://en.wikipedia.org/wiki/Bending

http://en.wikipedia.org/wiki/Hand_tool

ANSWER KEYS

I. MULTIPLE CHOICE

1. A2. B3. C

4. A5. A6. C

7. B8. A9. A



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10. C

II. MATCHING TYPE

A. 1. B2. A3. D4. J5. I6. H7. G8. F9. E10. C

III. TRUE OR FALSE

A.

1. FALSE2. FALSE3. FALSE4. TRUE5. FALSE

IV. Modified TRUE or FALSE

A.

1. TRUE2. PROCESSING



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3. COMMUNICATION4. TRUE5. OUTPUT DEVICE6. SYSTEM UNIT7. TRUE8. PROCESSOR9. TRUE10. ELECTRONIC DEVICE11. SECONDARY STORAGE12. TRUE13. TRUE14. TRUE15. INTEGRATED CIRCUIT

V. COMPLETION

A.

1. PROTECTIVE EYEWEAR2. MULTI-METER OR MULTI-TESTER OR VOM METER3. PLIER4. SCREWDRIVER5. SOLDERING GUN OR IRON6. DESOLDERING TOOLS7. FLASHLIGHT8. TWEEZERS9. GLOVE10. PRINTER

DEMONSTRATION WITH QUESTIONING



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Trainee’s name:

Trainer’s name:

QUALIFICATION: COMPUTER HARDWARE SERVICING – NC II

Title of Evaluation INSTALL COMPUTER SYSTEMS AND NETWORKS

Units of competency covered:

INSTALL COMPUTER SYSREMS AND NETWORKS

Date of evaluation:

Time of evaluation:

Instructions for Practical Demonstration:

Please see attached Instruction for Practical examination (Trainee)

In the workshop, given the supplies, materials, tools and equipment, you are required to install, assemble and test computers and common peripherals in 4 hours only. Supplies and Materials

Paper Ball pen Reference books Manuals

Tools and equipment Computer Anti Static Risk Wrap PPE Multi-Tester Screw Driver Tweezers

to show if evidence is

demonstrated

During the demonstration of skills, the trainee: Yes No N/A

Plans and prepares installation to ensure OH&S policies’ procedures and requirements

Consults appropriate personnel and ensures the work coordinates effectively with others involve on the work site

Obtains devices / systems which establishes procedures and to comply with requirements



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Determines job requirements location and installs device/systems

Follows OH&S policies and procedures for installing devices/systems

Identifies the different computer operating systems

Enumerates the different peripheral devices

Identifies motherboard properly

Identifies video cards properly

Identifies sound card

Feedback to trainee:

The candidate’s overall performance was:Satisfactory Not Satisfactory

Trainee’s signature: Date:

Trainer’s signature: Date:

Questioning:



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1. What is employed in order to ensure that safety measures, policies and procedures followed, and that work is appropriately sequenced in accordance with the industry standards?

2. Who are the competent personnel to be consulted to ensures effective and proper work coordination?

3. What is the device use to test connectivity?4. What do you need to read in order before you start installation?5. What is an application needed to run another application?6. What is the tangible part of the computer?7. What is the main printed circuit board on your computer?8. What is the device that helps to display the images on the

monitor?

Acceptable Answers:1. Planned Installation2. A TESDA Certified Trainer and Technician3. Multi-tester4. Manual5. operating system6. Peripheral devices7. Motherboard8. Video Card



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INSTRUCTION FOR DEMONSTRATION:

(FOR THE TRAINEE)

Trainee’s name:

Trainer’s name:

QUALIFICATION:

COMPUTER HARDWARE SERVICING – NC II

Title of Evaluation




Date of evaluation:

Time of evaluation:

PLEASE READ CAREFULLY:

1. The facilitator/trainer will provide you the necessary supplies/materials, tools/instruments and forms. Inform the facilitator/trainer if you intend to use your own materials/supplies, tools and instrument.

2. You are required to perform the tasks in plan and prepare for installation Identify the different computer components and peripherals 15 Minutes only.

3. You will be evaluated through demonstration of skills observation with questioning, written test and practical demonstration.



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(FOR THE TRAINEE)

Trainee’s name:

Trainer’s name:

QUALIFICATION:

COMPUTER HARDWARE SERVICING – NC II

Title of Evaluation

PLAN AND PREPARE FOR INSTALLATION


PLAN AND PREPARE FOR INSTALLATION

Date of evaluation:

Time of evaluation:

PLEASE READ CAREFULLY:

4. The facilitator/trainer will provide you the necessary supplies/materials, tools/instruments and forms. Inform the facilitator/trainer if you intend to use your own materials/supplies, tools and instrument.

5. You will be evaluated through demonstration of skills observation with questioning, written test and practical demonstration.



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(FOR THE TRAINER)

Trainee’s name:

Trainer’s name:

QUALIFICATION:

COMPUTER HARDWARE SERVING – NC II

Title of Evaluation

PLAN AND PREPARE INSTALLATION


PLAN AND PREPARE INSTALLATION

PLEASE READ CAREFULLY AND PREPARE AS NECESSARY:The Facilitator/trainer will: Orient the trainee on the conduct of competency evaluation.

o Context and purpose of evaluationo Allowable/Reasonable adjustmentso Legal and ethical responsibilitieso Competency to be assessedo Methods of evaluationo Evidence requirements as reflected in the evidence plan



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Provide the necessary supplies/materials, tools and equipment needed in the evaluation

Conduct competency evaluation Provide feedback to trainee after evaluation Record and report result of evaluation



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COMPETENCY ASSESSMENT RESULT SUMMARY

Inventory of Training Tools, Materials and Resources

Resources for presenting instruction

Resources for Skills practice of Competency # 1Install Computer Systems and Network

Supplies and Materials

As per TR As per Inventory

Gap Remarks

Connectors, RJ45 50 pieces 50 piecesAdaptors 2 pieces 2 piecesBus wires and cables 50 meters 50 meters

Tools As per TR As per Inventory

Remarks

Protective eyewear 10 pieces 10 pieces

Digital multi-meter 10 pieces 10 pieces

Wire stripper with bolt cutter

10 sets 10 sets

Pliers (assorted)Screw drivers 10 sets 10 sets



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(assorted)

Soldering iron 10 pieces 10 pieces

Desoldering tool 10 pieces 10 piecesAllen wrench (0.05 – 0.25 inch)

10 pieces 10 pieces

Flashlight 10 pieces 10 piecesIC insertion/extraction tool

10 pieces 10 pieces

RS 232 pin insertion/extraction tool

10 pieces 10 pieces

Sharp pointed tweezers

10 pieces 10 pieces

Antistatic wrist wrap 10 pieces 10 pieces

LAN Tester 10 pieces 10 piecesCrimping tools 10 pieces 10 pieces

Equipment As per TR As per Inventory

Remarks

Server 1 set 1 set

Computer with peripherals

10 sets 10 sets

Computer tables and chair (ergonomic)

10 sets 10 sets

Uninterruptible Power Supply (UPS)

10 sets 10 sets

Server 1 unit 1 unit

Hub / Switch 1 unit 1 unit

Modem 1 unit 1 unitPrinter 2 units 2 unitsScanner 2 units 2 units



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Prepared by:

LORELIE H. LUYCHS Trainer



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Date Developed:

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cblm_installing_lo1.docx

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