Computer Hardware


 
 
Concept Explanation
 

Computer Hardware

Hardware

Computer Hardware refers to the physical components of a computer that can be seen and touched by the user . By the use of these hardware devices , it made very easy for the computer for processing its data , store and retrieve. Hardware is one of the basic and necessary parts of a computer system .

Hardware includes:

1. Computer Case: A computer case (also known as a computer chassis, cabinet, box, tower, enclosure, housing, system unit or simply case) is an enclosure that contains most of the components of a computer (usually excluding the display, keyboard and mouse).

2. Power Supply: A power supply is installed in the back of the PC case, next to the motherboard. It converts 120 vac (standard house power) into DC voltage that is used by other components in the PC.

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Sample Questions
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Question : 1

The parts of a computer that can be touched and have some weight are called ______________

Right Option : B
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Question : 2

Which of the following is not a hardware ?   

Right Option : D
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Question : 3

External devices such as printers, keyboards and modems are known as ___________________________________

Right Option : B
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