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How many keys are there on a keyboard?
21 st
Century #Initiative
Skills
“Working on the computer for long hours is not good for your health.
Always take breaks at regular intervals while working on the computer.”
CPU
The CPU is the most important part of a computer.
It is also known as the brain of a computer. The CPU
box/cabinet contains the Central Processing Unit
or, CPU.
MOUSE CPU CPU box/cabinet
A computer mouse is called so because it is shaped like a mouse.
The cable attached to it looks like its tail. It has two buttons and a
scroll wheel between these buttons.
Name any two parts of a computer.
1. 2.
PURE
In 1833, Charles Babbage laid the foundation of all the parts that
are now used in modern computers. FACT
ADDITIONAL PARTS OF A COMPUTER
Let us learn about some additional parts of a computer.
SPEAKERS
Speakers are attached to a computer. You can listen to
sounds and music on it.
24 Pro (V5.1)-I

