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Scanner
Scanner is an input device that is used to send documents or images
from the paper to the computer. It works like a photocopier machine.
Microphone
Microphone is an input device which is used to record voice, music
and sounds. These recordings can be stored on the computer.
PROCESSING DEVICE
CPU is the processing device. It processes the input according to the
instructions we give and returns the output to the output devices.
It also manages all the work of a computer. The CPU is inside the CPU
CPU box/cabinet. 116245 3836 975588
OUTPUT DEVICES
The devices through which we get the result or output after processing are called
output devices. Let us study about some of them.
Monitor
Monitor is an output device that looks like a television screen.
It is also known as Visual Display Unit or VDU. It displays all
the work done on a computer.
The front portion of the monitor is also called the screen.
Printer
Printer is an output device. It is used to print the
result of the work done by the computer on a paper.
Factbot
The result we get on the monitor screen is called soft copy and the result we get on paper
is called hard copy.
If you could go inside a computer and see how it processes information,
what do you think you would see? What kind of tiny creatures or machines
might be working inside?
30 Plus (Ver. 4.0)-II

