Functional units of a Computer
Computer is a device that depends upon and operates the data or information. It can accept the input data, stores the data, process on it and output desired results.
There are three main functional units of a
computer.
1st. Input Unit/Input Device
The device by which we provide information or
instructions to the computer are called input devices. Input devices are
keyboard, mouse etc.
2nd. Central Processing Unit
Central processing unit is simply called CPU.
It is that unit which processes the input data.
3rd. Output Unit/ Output Device
The device which is used to get output data
from computer is called output device. The examples are monitor, loud speaker
etc.
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