As of today,mouse is the most popular point and draw device.It has become a must have input device on personal computer and workstations,which have a GUI-based user interface .It is a small hand held device,which can comfortably fit in a user's palm.Since all movements of the mouse are reproduced by the graphics cursor on the screen,you can move the graphics cursor at a menu item or an icon by moving the mouse.With the proper software, a mouse can also be used to draw pictures on the screen and edit text.
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