Computer : An Introduction

Computer

COMPUTER stands for Common Operating Machine Purposely Used for Technological and Educational Research.

A computer is a device either electronic or mechanical or electro-mechanical which takes input, has internal computaion mechanism to process the input and provides output.

These days mecanical computers are obsolete while electronic computers are ubiquitous, so computer usually means an electronic computer.
A computer is an electronic device either analog, digital or both which takes input, stores and processes it in its processing unit having a hard-wired or microprogrammed control unit and provides output.

For example:-
Analog clock, Superheterodyne radio receiver, Video cassette Recorder(VCR), Magnetic tape recorder, Analog television receiver, TV Remote, Calculator, Videogames, Wi-fi Routers, Mobilephones, Smartphones, Personal Computers, ATM(Automatic Teller Machine), Web Hosting Server, Supercomputers like Fugaku, Summit, Sierra, PARAM Series.
Charles Babbage's difference engine.
Cray supercomputer
Analog clock
Calculator
Smartphone
Laptop
Desktop
Mainframe(Web hosting server)
Summit supercomputer

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