Mouse

A small input device with one or more buttons used as for pointing or drawing.As you move the mouse in any direction, an on-screen mouse cursor follows the mouse movements; all movements are relative. Once the mouse pointer is in the correct position on the screen, You can press one of the mouse button's to initiate an action or operation. Different user interfaces and file programs interpret mouse clicks in different ways. A mouse has been standard equipment on the Macintosh Family of computers for a long time, and with the rising popularity of graphical user interfaces such as Microsoft Windows on DOS computers, the use of a mouse is growing there, too.