Mixed Bag of Sid: Computer Basics

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Wednesday, October 20, 2010

Full Form of Computer

Computer= Commanly Operated Machine Particulary Used for Training/Trade Education and Research.

Few Short Details About Computer

Computer= Commanly Operated Machine Particulary Used for Training/Trade Education and Research.

A computer is a device that automatically performs Arithmetic or Logical operations on information input to it and provides an output according to the performed set of instructions stored within it.

The Basic Structure of a computer is divided in four fundamental units:-

1) CPU:-

* Control Unit

* Arithmetic Logical Unit.

Disk Operating System (DOS)

CP/M written by Gary Kidall from Digital Research dominates the market.

CP/M = Control/Computer Program/Monitor.

DEFINITION OF IT:- “INFORMATION TECHNOLOGY is the process of creating,gathering,processing,storing,receiving and delivering of information from one place to another.”

INFORMATION SYSTEMS

INFORMATION SYSTEMS:-

A System is nothing but well organised set or group of related parts which operate together to perform a particular function.

Software is a set of instructions that tells the computer step-by-step how to perform a particular task.There are two types of software in use : Operating or System software and Application software: