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All of the following are examples of real security and privacy risks EXCEPT:A. hackers.B. spam.C. viruses.D. identity theft.Answer: B

 

Primary memory stores?

a) Data alone b) Only programsc) Processed data d) All of the above

Answer :  D

Memory unit is one part of

a) Central Processing Unit b) Control Unit c) External devicesd) None of the above

Answer :  A

EPROM can be used for?

a) Erasing the contents of ROM b) Rew7riting the contents of ROMc) Erasing and rewriting the contents of ROMd) None of the above

Answer :  C

Memory is made up of?

a) Wires b) Circuitsc) Several thousands of cellsd) None of the above

Answer :  C

When you use mobile phone to purchase the product and transfer the money , the transaction is called

a) M-Commerce/mobile banking b) E-Commerce 

c) Web transactiond) None of the above

Answer :  A

JPG is the extension for_

a) Microsoft Outlook Filesb) Image Filesc) Bitmap Graphic Filesd)None of the above Files

Answer :  b

What is the extension for Microsoft Word Document

a) DOC b)DOT c)DGN d)DWG

Answer :  A

What is primary object of an operating system?

a) To activate the system b) To make the most efficient use of the computer hardware and other periphery- devicesc) To save the powerd) To help the Programming languages

Answer :  B

What is the main object of multiprogramming systems?

a) To process all the jobs with high speed b) To use less memory spacec) Execute more jobs in the same time periodd) None of the above

Answer :  B

What is the extension for Microsoft Excel Workspace

a) XLS b)XLT c)XLW d)XLL

Answer :  A

The basic operations performed by computer are?

a) ASCII b) BCDc) Hollerithd) None of these

Answer :  a

ROM is composed of

1. Magnetic cores

2. Micro-processors3. Photoelectric cells4. Floppy disks5. None of these

Answer :  2

A device that can convert digital signal to analog signal is

1. A packet

2. Modem3. Switch4. Router5. None of these

Answer :  3

Internet-like networks within an enterprise known as

1. Intranet 

2. Internet3. Extranet4. Network5. None of these

Answer :  1

File Transfer Protocol (FTP) is

1. Used to send email

2. Used to browse the Web3. is part of Netscape4. is a protocol for the transfer of files between computers

5. None of these

Answer :  4

Which of the following types of channels moves data relatively slowly?

1. Narrowband channel

2. broadband channel3. wideband channel4. None of these

Answer :  1

What does DOS stand for?

1. Disk Operation Sequence

2. Disk Operating System3. Don't Operate System

Answer :  2

Device which allows your computer to connect to another computer via a phone line

1. Server

2. Modem3. Jeck

Answer :  2

'Booting' the computer refers to:

1. Powering On the Computer

2. Powering Down the Computer3. Closing Windows

Answer :  1

The list of coded instructions is called

1. Computer program

2. Algorithm3. Flowchart4. Utility programs5. None of the above

Answer :  1

ASCII stands for

1. American standard code for information interchange

2. All purpose scientific code for information interchange3. American security code for information interchange4. American Scientific code for information interchange5. None of the above

Answer :  1

A language which is close to that used within the computer is

1. High-level language

2. Assembly language3. Low-level language4. All of the above

Answer :  3

RAM is used as a short memory because it is

1. Has small capacity

2. Is very expensive3. Volatile4. None of the above

Answer :  3

In UNIX, which command is used to sort the lines of data in a file in reverse order

1. sort

2. sh3. st4. sort –r

Answer: 4

A single dimensional array is called

1. List

2. File3. Martix4. None of these

Answer: 1

C, BASIC, COBOL, and Java are examples of ……… languages.

1. Computer

2. System  Programming Language3. Low Level Programming  Language4. High Level Programming Language

Answer: 4

All of the following are examples of real security and privacy risks EXCEPT:A. hackers.B. spam.C. viruses.D. identity theft.Answer: B

A process known as ____________ is used by large retailers to study trends.A. data miningB. data selectionC. POSD. data conversionAnswer: A

 ____________terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.A. DataB. Point-of-sale (POS)C. SalesD. QueryAnswer: B

A(n) ____________ system is a small, wireless handheld computer that scans an item’s tag and pulls up the current price (and any special offers) as you shop.A. PSSB. POSC. inventory

D. data miningAnswer: A

The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement specialty called:A. robotics.B. simulation.C. computer forensics.D. animation.Answer: C

Which of the following is NOT one of the four major data processing functions of a computer?A. gathering dataB. processing data into informationC. analyzing the data or informationD. storing the data or informationAnswer: C

 ____________ tags, when placed on an animal, can be used to record and track in a database all of the animal’s movements.A. POSB. RFIDC. PPSD. GPSAnswer: B

 

A process known as ____________ is used by large retailers to study trends.A. data miningB. data selectionC. POSD. data conversionAnswer: A

After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered:A. data.B. output.C. input.D. the process.Answer: B

Computers use the ____________ language to process data.A. processingB. kilobyteC. binaryD. representationalAnswer: C

Computers process data into information by working exclusively with:A. multimedia.B. words.C. characters.D. numbers.Answer: D

In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of:A. eight bytes.B. eight kilobytes.C. eight characters.D. eight bits.Answer: D

The term bit is short for:A. megabyte.B. binary language.C. binary digit.D. binary number.Answer: C

A string of eight 0s and 1s is called a:A. megabyte.B. byte.C. kilobyte.D. gigabyte.Answer: B

A ____________ is approximately one billion bytes.A. kilobyteB. bitC. gigabyteD. megabyteAnswer: C

 

Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as:A. robotics.B. computer forensics.C. simulation.D. forecasting.Answer: A

Technology no longer protected by copyright, available to everyone, is considered to be:A. proprietary.

B. open.C. experimental.D. in the public domain.Answer: A

 ____________ is the study of molecules and structures whose size ranges from 1 to 100 nanometers.A. NanoscienceB. MicroelectrodesC. Computer forensicsD. Artificial intelligenceAnswer: A

 ____________ is the science that attempts to produce machines that display the same type of intelligence that humans do.A. NanoscienceB. NanotechnologyC. SimulationD. Artificial intelligence (AI)Answer: D

12. ____________ is data that has been organized or presented in a meaningful fashion.A. A processB. SoftwareC. StorageD. InformationAnswer: D

13. The name for the way that computers manipulate data into information is called:A. programming.B. processing.C. storing.D. organizing.Answer: B

14. Computers gather data, which means that they allow users to ____________ data.A. presentB. inputC. outputD. storeAnswer: B

The CPU and memory are located on the:A. expansion board.B. motherboard.C. storage device.D. output device.Answer: B

Word processing, spreadsheet, and photo-editing are examples of:A. application software.B. system software.C. operating system software.D. platform software.Answer: A

 ____________ is a set of computer programs used on a computer to help perform tasks.A. An instructionB. SoftwareC. MemoryD. A processorAnswer: B

System software is the set of programs that enables your computers hardware devices and ____________ software to work together.A. managementB. processingC. utilityD. applicationAnswer: D

The PC (personal computer) and the Apple Macintosh are examples of two different:A. platforms.B. applications.C. programs.D. storage devices.Answer: A

Apple Macintoshes (Macs) and PCs use different ____________ to process data and different operating systems.A. languagesB. methodsC. CPUsD. storage devicesAnswer: C

Servers are computers that provide resources to other computers connected to a:A. network.B. mainframe.C. supercomputer.D. client.Answer: A

 

A ____________ is approximately a million bytes.A. gigabyteB. kilobyte

C. megabyteD. terabyteAnswer: C

 ____________ is any part of the computer that you can physically touch.A. HardwareB. A deviceC. A peripheralD. An applicationAnswer: A

The components that process data are located in the:A. input devices.B. output devices.C. system unit.D. storage component.Answer: C

All of the following are examples of input devices EXCEPT a:A. scanner.B. mouse.C. keyboard.D. printer.Answer: D

Which of the following is an example of an input device?A. scannerB. speakerC. CDD. printerAnswer: A

All of the following are examples of storage devices EXCEPT:A. hard disk drives.B. printers.C. floppy disk drives.D. CD drives.Answer: B

The ____________, also called the “brains†of the computer, is responsible for processing data.�A. motherboardB. memoryC. RAMD. central processing unit (CPU)Answer: D

The metal or plastic case that holds all the physical parts of the computer is the:A. system unit.

B. CPU.C. mainframe.D. platform.Answer: A

The binary language consists of ____________ digit(s).A. 8B. 2C. 1,000D. 1Answer: B

A byte can hold one ____________ of data.A. bitB. binary digitC. characterD. kilobyteAnswer: C

 ____________ controls the way in which the computer system functions and provides a means by which users can interact with the computer.A. The platformB. The operating systemC. Application softwareD. The motherboardAnswer: B

The operating system is the most common type of ____________ software.A. communicationB. applicationC. systemD. word-processing softwareAnswer: C

 ____________ are specially designed computer chips that reside inside other devices, such as your car or your electronic thermostat.A. ServersB. Embedded computersC. Robotic computersD. MainframesAnswer: B

The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:A. instructions.B. the operating system.C. application software.D. the system unit.Answer: A

The two broad categories of software are:A. word processing and spreadsheet.B. transaction and application.C. Windows and Mac OS.D. system and application.Answer: D

 

Smaller and less expensive PC-based servers are replacing ____________ in many businesses.A. supercomputersB. clientsC. laptopsD. mainframesAnswer: D

 ____________ are specially designed computers that perform complex calculations extremely rapidly.A. ServersB. SupercomputersC. LaptopsD. MainframesAnswer: B

DSL is an example of a(n) ____________ connection.A. networkB. wirelessC. slowD. broadbandAnswer: D

The difference between people with access to computers and the Internet and those without this access is known as the:A. digital divide.B. Internet divide.C. Web divide.D. broadband divide.Answer: A

____________ is the science revolving around the use of nano structures to build devices on an extremely small scale.A. NanotechnologyB. Micro-technologyC. Computer forensicsD. Artificial intelligenceAnswer: A

____________ bits equal one byte.A. EightB. Two

C. One thousandD. One millionAnswer: A

True or False

Currently, the performance of tasks by robots is based on preprogrammed algorithms.Answer: True

Data can be a number, a word, a picture, or a sound.Answer: True

Strictly defined, a computer is a data processing device.Answer: True

The discrepancy between the “haves†and “have-nots†with regard to computer technology is � �commonly referred to as the digital society.Answer: False (digital divide)

One of the benefits of becoming computer fluent is being a savvy computer user and consumer and knowing how to avoid viruses, the programs that pose threats to computer security.Answer: True

Trend-spotting programs, developed for business, have been used to predict criminal activity.Answer: True

Employers do not have the right to monitor e-mail and network traffic on employee systems used at work.Answer: False

 

Fill the Blank Space

Between PCs and Macs, the ____________ is the platform of choice for graphic design and animation.Answer: Mac

The ____________ is the program that manages the hardware of the computer system, including the CPU, memory, storage devices, and input/output devices.Answer: operating system

The type of operating system software you use depends on your computers€™s ____________.Answer: platform

 ____________software helps you carry out tasks, such as typing a document or creating a spreadsheet.Answer: Application

 ____________are the fastest and most expensive computers.Answer: Supercomputers

 A ____________ is approximately 1,000 bytes.Answer: kilobyte

Input devices are used to provide the steps and tasks the computer needs to process data, and these steps and tasks are called ____________.Answer: instructions

A computer gathers data, processes it, outputs the data or information, and ____________ the data or information.Answer: stores

The binary language consists of two digits: ____________ and ____________.Answer: 0 and 1

A string of ____________ 0s and 1s is called a byte.Answer: eight (8)

The devices you use to enter data into a computer system are known as ____________ devices.Answer: input

The devices on a computer system that let you see the processed information are known as ____________ devices.Answer: output

 ____________ is the set of computer instructions or programs that enables the hardware to perform different tasks.Answer: Software

When you connect to the ____________, your computer is communicating with a server at your Internet service provider (ISP).Answer: Internet

 ____________ are computers that excel at executing many different computer programs at the same time.Answer: Mainframes

 ____________is the application of computer systems and techniques to gather legal evidence.Answer: Computer forensics

 ____________ is the science that attempts to create machines that will emulate the human thought process.Answer: Artificial intelligence (AI)

Macintosh computers use the Macintosh operating system (Mac OS), whereas PCs generally run ____________ as an operating system.Answer: Microsoft Windows

A process known as ____________ tracks trends and allows retailers to respond to consumer buying patterns.

Answer: data mining

You would use ____________ software to create spreadsheets, type documents, and edit photos.Answer: application

 ____________ are computers that support hundreds or thousands of users simultaneously.Answer: Mainframes

Hard disk drives and CD drives are examples of ____________ devices.Answer: storage

 ____________ is the term given to the act of stealing someone’s identity and ruining their credit rating.Answer: Identity theft

Surgeons are using ____________ to guide robots to perform delicate surgery.Answer: computers

Patient ____________ are life-sized mannequins that have a pulse and a heartbeat and respond to procedures just like humans.Answer: simulators

Computer uses the……….number system to store data and perform calculations.

1. Binary

2. Octal bar3. Decimal4.  Hexadecimal

Ans: 1

Why is it unethical to share copyrighted files with your friends ?

1. It is not unethical, because it is legal

2. It is not unethical, because it is legal3. Sharing copyrighted files without permission breaks copyright laws.4. It is not unethical because the files are being given for free.

Ans: 3

To instruct Word to fit the width of a column to the contents of a table automatically.

1. Fit to Form

2. Format3. Autosize4. AutoFit

Ans: 4

Which of the following can be used to select the entire document ?

1. CTRL+A

2. ALT+F53. SHIFT+A4. CTRL+K

Ans: 1

A disk's content that is recorded at the time of manufacture and that cannot be changed or erased by the user is–

1. Memory Only

2. Write Only3. Read only4. Run Only

Ans: 3

 

True or False

Clicking on an icon with the mouse is a form of giving an instruction to the computer.Answer: True

Output devices store instructions or data that the CPU processes.Answer: False (memory)

The CPU and memory are located on a special circuit board in the system unit called the motherboard.Answer: True

Nanostructures represent the smallest human-made structures that can be built.Answer: True

The main difference between a supercomputer and a mainframe is that supercomputers are designed to execute a few programs as quickly as possible,programs running at the same time (but at a slower pace).Answer: True

Being computer fluent means that you should be able to build a computer yourself.Answer: False

Embedded computers are self-contained computer devices that have their own programming and do not receive input.Answer: True

A Web browser is a special device that is installed in your computer that allows it to communicate with other devices on a network.Answer: False (network adapter)

With a wireless network, it is easier to relocate devices.Answer: True

The most common type of memory that the computer uses to process data is ROM.Answer: False (RAM)