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By pressing these keys, we can type (write) any number, word, sentence or
story on the computer monitor.
The keyboard helps us to give commands (orders) to the computer.
Prime (Ver. 2.2)-I
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Mouse
The way a ruler is used to point things on the blackboard;
similarly, a mouse is used to point things on the computer.
The mouse of a computer is used to point ( ) at
things on the monitor.
It has two or three buttons. Some have a scroll wheel
in place of the third button.
It helps us to draw pictures and play games on
the computer.
CPU
The CPU of the computer controls all the parts of the computer.
All the other parts of a computer must be connected to the CPU
box for them to work.

