INTRODUCTION OF COMPUTER
Introduction of Computer The word computer has been derived from Latin
Language. A computer is an electronic device that manipulates information or
data according to the set of instructions. It has the ability to store,
retrieve and process data. A computer is used to type documents, send
E-mails and browse the Internet. It is also used to handle accounting,
database management, presentations, games and so on.
Functioning of a Computer
Computer performs four basic functions which are follows:
- Input :- Information or data that is entered into a computer is called input. It sends data and instructions to the Central Processing Unit (CPU).
- Processing :- It is the sequence of actions taken on data to convert it into information which is meaningful to the user. It can be calculations, comparisons or decisions taken by the computer.
- Output :- It is makes processed data available to the user. It is mainly used to display the desired result to the user as per input instructions.
- Storage :- It stores data and programs permanently. It is used to store information during the time of program and possible to get any type of information from it.
Features of Computer
The key features of computer are as follows:

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