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What is a computer

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Computer is an electronic device for storing and processing data. It has two major components

Hardware: These are physical components of a computer.
Software: These are programs that makes a computer useful and functional.

The principal functionality in a computer is  IPO (Input, Process, Output)
It accepts data, processes them and returns the result of computation as output.
 
data (information)         Process (compute)            return the result .
                                                                    
          Input                             Process                              OutPut


Followings are example of            
data types that can be
 entered into a computer.

1. Text 
2.  Numbers ( 0, 1 ..9)
3.  Symbols ( $, Ω, ∞, ..)  
4.  Image, shapes 
5.  Sound   
6.  Movie
7.  Anything that can be   
represented with binary bits

Performs mathematical operations

Text manipulations

 image manipulations

Movie and sound processing

more ....

The result of the computations
 a
nd processing can be outputted to

Monitor (screen)

Had disk

Printer

Another computer

CD or DVD

Any storage device

 
     
     
     
     

          

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