what is a hardware?

Computer hardware is the collections of physical elements that constitutes a computer system


A central processing unit (CPU), also referred to as a central processor unit

Hard disk

A hard disk drive is a data storage used for storing and retrieving digital information


We need a fan because if a computer gets really hot after using it a long time then we can cool it down with a fan


A motherboard (sometimes alternatively known as the mainboard, system board, planar board) is the main Printed circuit board (PCB) found in computers and other expandable systems.


sound card (also known as an audio card) is an internal computer expansion card that facilitates the input and output of audio signal to and from a computer under control of computer programs