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16-11-12

Lecture No : 1

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Course Instructor: Dr. Adnan Habib

Lab Engineer: Engr. Mehak Arshad

Online Course Content: CMS (Course Management System)

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Assignments 15 Quizzes 10

Lab Lab Task 10

Project 5

Mid Semester Exams 20

Final Exams 40

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Introduction to Computers

By: PETER NORTON

7th

Edition

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An understanding of role computation can

play in solving problems.

Get an idea of development especially web.

Get the basic idea of Databases for the

storage of records.

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Introduction toComputer Systems

Processing Data

Storing Data

Operating Systems

Network

Internet

Working with onlineApplications

Working withApplication Software's

Database Management

Software Programming

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Combination of “ lectrical ngineering” and“ omputer Science”.

Fields covered in this engineering are:◦ Embedded Systems

◦ Databases

◦ Web Development

◦

Java Development◦ Networking

◦ Programming Languages

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A computer is an electronic device thatprocess data, converting it into informationthat is useful to people.

A computer is controlled by the programmedinstructions, which give the machine apurpose and tell what to do.

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It converts data into information

Modern computers are digital◦ Two digits combine to make data

Older computers were analog◦ A range of values made data

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Computers are Everywhere

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Business

Hospitalames Military

Education

Mobile

Computers in Daily Life

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Hardware

Software

Data

User

Hardware

ser

Software inside

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Components that are touchable or have somephysical existence

◦ Input and Output devices

◦ Processor

◦ Memory

◦

Storage devices

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Keyboard

Mouse

Processor

Storage Devices

Output Devices

RAM

ROM

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Set of instructions that tell a system what todo.

◦ Application Software

◦ System Software

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The material provided to the device forprocessing and produce a useful informationis called “Data.”

Basically the input part provides Data to thesystem.

It can be of any type: text, voice, pointermovement etc

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The people who interact with the system are“Users”.

We usually instruct according to therequirement of the user, so the users are themost important factor in building a system.

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Desktop Computers

Workstations

Notebook Computers Tablet Computers

Handheld Computers

Smart Phones

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Any computer system that is designed for useby a single person.

Also known as “ icrocomputers”

Among the smallest computer created forpeople.

Previously mentioned all systems are Personal

Computers (PC).

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A PC that is designed to sit on a desk ortable.

Mostly used in school, homes and offices.

People do their job with greater ease andefficiency but they can be used tocommunicate, produce music, edit

photographs and videos, play games andmuch more.

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Old Desktop Computers

Latest Desktop Computers

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Specialized computers Optimized for science or graphics

More powerful than a desktop

In 1990s

Today’s

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Small portable computers

Weighs between 3 and 8 pounds

About 8 ½ by 11 inches

Typically as powerful as a desktop

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Newest development in portable computers

Input is through a pen (stylus)

Run specialized versions of office products

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Small enough to fit on hand Personal Digital Assistant (PDAs)

Used for taking notes, addresses andagendas.

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Some cellular phones offer advanced featuresthat is usually not found in mobiles.

Like Web and email access

Special software and hardware

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They provide

◦ Rapid calculations

◦ Data storage

◦ Worldwide communications◦ Accuracy

◦ Less time consuming

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Statement:

Write short note on the history of thecomputers from start to present?

Submission Date :

23 11 2012

Hard Copy within the folder.

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http://www.stanford.edu/class/cs101/how-computers-work-hardware.html

http://www.publishyourarticles.net/knowledge-

hub/essay/an-essay-on-the-role-of-computers-in-everyday-life.html

http://www.thegeminigeek.com/what-is-the-importance-of-computers-in-everyday-life/

lec 01 final

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