light pen Last modified: Thursday, February 13, 2003
An input device that utilizes a light-sensitive detector to select objects on a display screen. A light pen is similar to a mouse, except that with a light pen you can move the pointer and select objects on the display screen by directly pointing to the objects with the pen.
Senior-friendly input devices A study comparing senior citizens preferences between light pens and mice.

Related Terms

CAD/CAM display screen input device mouse pixel pointer

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