A computer is a complex piece of machinery which is made up of many parts each of which has a unique function of its own and contributes to the functionality of the main computer. The presence of these parts are necessary for the functioning of a computer while there are some devices known as peripherals enhance the functionality of the computers. Some of the devices and peripherals are:

Motherboard, computer fan, random access memory (RAM), Storage controllers of IDE, video display controller, graphics card, hard disk, printers, projectors, scanners, software, sound cards, speakers, headphones, bluetooth etc.
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