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Keyboard
Keyboard is an input device that is used to give
instructions to the computer by typing text and
numbers. We type letters, numbers and symbols
using a keyboard.
Mouse
Mouse is an input device that sends instructions to the computer
with the click of a button. It is used to draw pictures and select
objects on the computer.
Scanner
Scanner is an input device that is used to copy 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 sound. These recordings can be stored in the computer
memory.
PROCESSING DEVICE
CPU is the processing device. It processes the input
according to the instructions we give and returns the output
through the output devices. It also manages all the work of CPU
a computer. The CPU is inside the CPU box/cabinet. 116245 3836 975588
CPU CPU Box/Cabinet
OUTPUT DEVICES
The devices through which we get the result or output after processing are called
output devices. Let us learn 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 called the screen.
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