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Sunday, April 5, 2020

What is Computer?

In this modern era there is no such activity that can not be achieved without computers.Computer has become an indispensable and multipurpose tool.We are breathing in the computer age and gradually computer has become such a desire necessity of life that is difficult to imagine life without it.
In the beginning,there were no computers.To add or subtract,man used to fingers and toes.The earliest
known tool for use in computation was the Abacus.The Abacus can be used to perform addition,subtraction and multiplication.Charles Babbage is considered as the father of the computer because he invented difference engine and then analytical engine,which can be store the information on punch cards during 1800's.In the 1950s Soviet,scientists,Sergei Sobolev and Nikolay Brusentsov conducted research on ternary computers,devices that operated on a base three number systems of -1,0,1 rather than the conventional binary number.
In the simplest defination,a computer is an electronic device-a flexible machine that can manipulate data.It takes raw data as input from the user,processes this data by program and gives the output and saves it for the future usage.

Abbreviations of computer - 

C - Commonly ; O - Oriented ; M - Machine ;  P - Particularly ; U - Used ; T - For Trade ; E - Education ; R - Research .

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