On
This Day…
Xerox
PARC introduced the computer mouse in this day in 1981.
In
computing, a mouse is a pointing
device that functions by detecting two-dimensional
motion relative to its supporting surface. Physically, a mouse consists of an
object held under one of the user's hands, with one or more buttons.
The
mouse sometimes features other elements, such as "wheels", which
allow the user to perform various system-dependent operations, or extra buttons
or features that can add more control or dimensional input. The mouse's motion
typically translates into the motion of a pointer
on a display,
which allows for fine control of a graphical
user interface.
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