Wednesday, January 16, 2019

what is computer











Normally a student understand that a Computer is A Laptop, A Desktop , A Palmtop . But
A refrigerator is also a computer, a Smart Phone is also a Computer, A Calculator is  also a computer
Every device which is taking input, perform processing, and giving output is called Computer. 

Now a days , in every sector computer is working like backbone.and also Computer has been part of our education.
and computer work is very similar to human activities.

Parts of computer- 

Normal parts of a computer is 
  • Monitor   
  • CPU(Central Processing Unit)
  • UPS(Uninterrupted Power Supply)
  • Keyboard 
  • Mouse

Hardware

Physical parts of computer which is tangible is called hardware.(H/W). Example- Keyboard, Mouse, IC, Printer, CPU etc.

Software

Set of instructions that perform particular task is named as software.(S/W). Vista, win-7, Microsoft Office , Tally etc.


  • Computer comes from "Compute" word
  • "Compute" Word comes from "Latin Language".
  • Compute means -calculate   calculate+r=Calculator 
  • Compute+r= Computer
  • In Starting Computer Worked as "Calculator".
  • Computer- in hindi we known as "संगणक ".


Working Process of computer

                              O
input            process      output
keyboard        CPU        Monitor

Similarity with human being-   
Suppose you take admission in any institute(INPUT), studying till your exam(PROCESS), your result (OUTPUT).


Computer Full Form is -  

Generally many books you can not find the full form of Computer , But Trusted sources tells the full form of computer is -
C-Common ,  O-operating,  M-Machine, P-particularly U-used in 
E-Education,  T- Training,  and  R-Research

Computer Inventors   
 Computer inventor is "Charles Babbage"
and Modern Computer inventor -"Alan Turing".


Types of computer-  

Analog,   Digital,  Hybrid.

Note


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                By-Lavkush Yadav(18113)


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