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Basic information of computer

COMPUTER


It is an electronic device, and it works on arithmetic and logical unit. 

Arithmetic and logical unit?

Arithmetic unit:-It performs the addition and subtraction.

Logical unit:-It performs on boolean operation (such as: NOT, OR, AND, NAND, XOR gate)


Computer is made up of many parts.

·         Motherboard

·         CPU(central processing unit)

·         GPU(graphical processing unit)

·         RAM(random access memory)

·         HDD Memory

·         Monitor

·         Mouse

·         Keyboard

MOTHERBOARD

Motherboard is the mother of the computer which connect all the part together and allow the work perfectly.


CPU

Central processing unit is the brain of the computer, and it performs the arithmetic, logical,

controlling and process the input/output the data or information.



GPU

Graphical processing unit is to display the high quality graphic. It is specially used in gaming  and photo and video editing performance.

RAM

Random access memory is a temporary memory and volatile device in which all the application work on it to change or edit the information and run multi software at a same time.

HDD memory

Hard disk drive memory is used to store the data for a long time or backup data.



What is input and output device?

Input device:Those devices which provide the data to output device.

Example: mouse, joystick, keyboard, etc

Output device:Those devices which give us the result.

Example: monitor, printer, etc.

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