Mouse is a small device to control the icon which is an arrow-like structure on the screen) on the monitor. By moving the icon, one can read disk, pull down menus, save and retrieve files, etc. Mouse is an essential device to control. By mouse, we can move icon, move windows, throw the windows and icon away and other things that we are mostly doing by our hand.

We can change mouse pointer appearance, speed and improve mouse pointer visibility in mouse properties in control panel. Mouse pointer can be made invisible in the case of typing, watching movie, playing game and other things which do not need the help of mouse pointer.