Mouse
In computing, a mouse is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface. Physically, a mouse consists of an object held under one of the user's hands, with one or more buttons.
The mouse sometimes features other elements, such as "wheels", which allow the user to perform various system-dependent operations, or extra buttons or features that can add more control or dimensional input. The mouse's motion typically translates into the motion of a pointer on a display, which allows for fine control of a graphical user interface.
Types of Mouse
Optical mouse
it uses devices that emit and sense light to detect the mouse’s movement.
Laser mouse
Uses a laser to move the mouse. It can place on nearly all types of flat surface
Air mouse
It is is a motion-sensing mouse, with the typical buttons allow you to control objects, media players, and slide shows by moving the mouse in predetermined directions through the air.
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