Introduction to Computer

Introduction to Computer:-

   In basic terms, a computer is an electronic device that processes data, converting it into information that is useful to people. Any computer – regardless of its type – is controlled by programmed instructions, which give the machine a purpose and tell it what to do.

Parts of the Computer System:-

Computer systems have four parts:

• Hardware

• Software

• Data

• User

Hardware:-

Mechanical devices in the computer

Anything that can be touched

Software:-

Set of instructions

Tell the computer what to do

Also called a program

Thousands of programs exist

Data:-

Data Processing - The Primary Job

Pieces of information

Computer organizes and presents data

Users:-

People operating the computer

Most important part

Information processing cycle...

·        Input

·        Processing

·        Output

·        Storage