Computer has great influence on all aspects of life. Almost all work places and living

environment are being computerized. In order to prepare students to work in these

environments, it is essential that they are exposed to various aspects of Computer .This

exposure will enable the students to enter their professions with confidence, live in a

harmonious way and contribute to the productivity.

Elements of a computer system, its usefulness and applications, block diagram of a

computer, CPU, memory, data – numeric data, alpha numeric data, processing of data.

Basic Structure of Computers : Computer Types, Functional Unit, Basic Operational

concepts, computer hardware and software.

Input devices: keyboard, scanner, mouse, Joystick, OMR, OCR, MICR etc ; Output

devices: VDU, Printer, Plotter and speakers etc.

Primary and Secondary Storage (Auxiliary Storage):Primary storage: RAM, ROM,

Registers, Cache. Secondary storage: magnetic disks – tracks and sectors, optical disk

(CD, CD-RW and DVD Memory)

Operating systems :Need of operating system, major functions of Operating System,

Introduction of MS–DOS, Windows, Linux, Mac, Mobile OS –Android.

Number System: Binary, Octal, Decimal, Hexadecimal and conversion between two

different number systems. Basic concepts of ASCII and ISCII.

1. Fundamentals of Computer by V . Rajaraman; Prentice Hall of India Pvt. Ltd., New

Delhi

2. Computers Today by S.K. Basandara, Galgotia Publication Pvt. Ltd. Daryaganj,

New Delhi.

3. Computer Fundamentals by P.K. Sinha; BPB Publication, New Delhi

4. Fundamentals of Information Technology by Leon and Leon; Vikas Publishing

House Pvt. Ltd., Jungpura, New Delhi

5. Fundamentals of Information Technology by Vipin Arora, Eagle Parkashan,

Jalandhar

6. Introduction to computers and Information System by Tiwari, H.N. & Jain, H.C. Sun

India Publication.

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