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Monday, June 18, 2012

Main parts of the computer.

                                               Main parts of the computer.      

   
                                                              
System Unit.
This is the main part of computer.In this unit include mother board,processor,ram card,vga card,other expansion cards,cooling fans,power supply unit,hard disks,CD/DVD ROMs,floppy disk drives and other instruments also.All processing works doing from that and this unit named as Central Processing Unit(CPU).

Monitor.
This is a display of computer.Monitor gives processing results to out as pictures,numbers,letters,symbols,multi media information and any other nature of information and monitor is the basic output device of computer.This monitors comes as LCD , CRT and LED types monitors.

Key Board.
This is the main device in inputting.We can input data from key board by typing letters,numbers,symbols and etc.Key boards comes in various shapes and as USB key boards and P/S key boards.

Mouse.
Other main input device of computer is mouse.WE can input data from it by clicking and scrolling.Mouses are come as various shapes,laser and wheel mouses and USB mouses and P/S mouses.

Speakers.
For out put of  sounds and music,we can use speakers as we like.In the future we can see so many types of speakers.

Microphone.
To input any sound type data to computer,we use microphones for it.We can use microphones for talk with other peoples who distance from us by using internet.

Include of system unit.
  • Motherboard.     
                                                      


















 
  • CPU.(processor)
 
  • Power supply. 

  • RAM.

  • Expansion slots.

  • Input and Output plugs.
  • Hard disk drives.
 

  • Floppy disk drives.

  • CD/DVD ROM drives.

  • Video card.

  • Internal modem.

  • Battery.

  • Other expansion cards.


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