The Computer Mouse Essay
The Computer MouseThe computer mouse is a common pointing device, popularized by itsinclusion as standard equipment with the Apple Macintosh. With the rise inpopularity of graphical user interfaces in MS-DOS; UNIX, and OS/2, use of miceis growing throughout the personal computer and workstation worlds. The basicfeatures of a mouse are a casing with a flat bottom, designed to be gripped byone hand; one or more buttons on the top; a multidirectional detection device(usually a ball) on the bottom; and a cable connecting the mouse to the computer.
By moving the mouse on a surface (such as a desk), the user controls an on-screen cursor. A mouse is a relative pointing device because there are nodefined limits to the mouse’s movement and because its placement on a surfacedoes not map directly to a specific screen location. To select items or choosecommands on the screen, the user presses one of the mouse’s buttons, producing a”mouse click.”