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what is a mouse a computer mouse is a handheld the pointing device that detects two-dimensional motion related to a surface this motion is typically translated into the motion of a pointer on a display which allows a smooth control of the graphical user interface originally why to a computer modern mouse is often cordless relying on short-range radio communication with the connected system Mouse originally used a ball rolling on a surface to detect motion but more on mice often have optical sensors that have no moving parts in addition to moving a cursor computer mouse have one or more buttons to allow operation such as selection of a menu item on a display mouse often also features other elements such as touch surfaces and wheels which enables additional control and dimensional input at Rand Paul is a related pointing device was invented in 1946 by Ralph Benjamin the first public demonstration of a mouse controlling a computer system was in 1968 the Xerox Alto was one of the first computers designed for individual use in 1973 and is regarded as a first modern computer to
utilize a mouse different ways of operating the mouse cause specific things to happen in the GUI click pressing and releasing a button drag and drop pressing and holding a button then moving the mouse without releasing mouse button calling combination of right-click then left-click combination of left-click then right click or keyboard letter combination of left or right click and the mouse wheel clicking while holding down a modifier key moving the pointer a long-distance multi-touch this method is similar to a multi-touch trackpad on a laptop with support for tap input for multiple fingers the most famous example being the Apple Magic Mouse
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