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Computer works on the Input-Process-Output cycle, also known as IPO cycle.
INPUT PROCESS OUTPUT
INPUT
Input means giving instructions
to the computer in the form of
numbers, letters or symbols.
Keyboard and mouse are examples
of input devices. Keyboard Mouse
PROCESS
After receiving the input, the computer performs
action on it with the help of the Central Processing
Unit (CPU). It is known as the brain of the computer.
It performs all the calculations.
CPU Box CPU
OUTPUT
Output is the result that we get after processing. Monitor and printer are examples
of output devices.
Monitor Printer
Life Skills & Values
Do not write anything on the
monitor with a pencil.
COMP
CAUTION
Working of a Computer 19

