Fundamental of pc

Fundamental of a personal computer :

Hardware :  It is a physical component of the computer system that can be physical touch and see it.

Function of a pc : 

@ Accept data input  from user (input)
@ Store data (Storage)
@ Process the input using instructions (Processing )
@ Displays process data an output devices (Outputing Display)

Level of computer system :

Hardware
        ↓
System Software       
        ↓
Application Software
        ↓
     User


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