MOUSE :-

Mouse is a input device that directs the position of slow moving cursor to a point very faster.

A small pointing input device used with PCs. It rolls on a flat surface and this movement guides the cursor on the display screen.

A hand-held device which when moved on a flat surface moves the cursor on a computer screen. The mouse is equipped with at least one button that is used to position the cursor or select (Click), drag and drop, and double click. In addition, it may have one or two PROGRAMMABLE BUTTONS used to perform special tasks.