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What is computer hardware ?

-'Computer hardware'is the collection of physical elements that constitute a computer system.Computer hardware refers to the physical parts or components of a computer such as the monitor,mouse,keyboard,computer data storage,hard drive disk (HDD),system unit (graphic cards,sounds cards,memory,motherland and chips), etc. all of which are phyical object that can be touched.

1) Keyboard

A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols It is one of the most used input devices for computers. A keyboard contains many mechanical switches or push-buttons called "keys".

2) Mouse

The mouse is a small, movable device that lets you control a range of things on a computer. Most types of mouse have two buttons, and some will have a wheel in between the buttoms

3) Monitor

A computer monitor is an output device that displays information in pictorial or text form. It is used to display images, text, video, and graphics information generated by a connected computer via a computer's video card.

4) Hard Disk

Hard disk drives are commonly used as the main storage device in a computer.

5) Motherboard

The motherboard is the backbone that ties the computer's components together at one spot and allows them to talk to each other

6) Power Supply unit

A Power Supply Unit (PSU) is an internal IT hardware component

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