Mouse is a pointing device that works by detecting motion relative to its supporting surface.
There are many types of computer mouse available in the market. They usually have different shapes or buttons, but they work almost in the same fashion.
The mouse first became a widely-used computer tool when Apple Computer made it a standard part of the Apple Macintosh. Today, the mouse is an integral part of the graphical user interface (GUI) of any personal computer.
There are some types/styles of mouse in picture below.