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Let’s CatCh uP
Fill in the missing letters to complete the names of the keys.
1. C P L C 2. H I K Y
3. R O E S 4. S M L YS
MOUSE
Mouse is an input device that helps us to tell the computer what
to do. It also helps us to select icons on the monitor. It is used to
play games and draw pictures.
Types of Computer Mouse
All computer mouse look same, but they are of different types. The different types
of mouse are given below:
Optical Mouse
An optical mouse is the most popular type of mouse. It
has an LED sensor at its bottom that helps the pointer on
the screen to move. If you pick up the mouse, you will see a
Optical Mouse
red-light glow under it.
Wireless Mouse
A wireless mouse has no wire. It runs on batteries. It is also an
optical mouse.
Wireless Mouse
Parts of A Mouse
A computer mouse has three main parts:
Scroll wheel
Right button
Left button
Parts of Mouse
42 Premium Edition-II

