What Is a Light Pen?


A light pen is a pointing device shaped like a pen that is connected to a Visual Display Unit. It allows the user to point to displayed objects, or draw on the screen in a similar way to a touch screen but with greater positional accuracy. The device became moderately popular during the early 1980s.
Q&A Related to "What Is a Light Pen"
A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT TV set or monitor. It allows the user to point to displayed
1. Shine the CGA light pen on the whiteboard or another area you wish to illuminate. For example, point it at the different parts of a guidebook to help you follow through the process
light pen: (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
Have you heard of the Sharpie Liquid Pencil? They just came out this month, I believe. It uses erasable liquid graphite. I just got two of them about a week ago, and I fell in love
3 Additional Answers
Ask.com Answer for: what is a light pen
light pen
a hand-held light-sensitive device used for pointing at characters or objects on a CRT in order to make or modify drawings or to indicate functions to be performed.
Source: Dictionary.com
A light pen is a pointing device for a computer. It allows the user to draw on the screen as if he or she was drawing a picture with a normal pen on a piece of paper.
A light pen is an input device that allows a computer user to interact directly with the computer display. The light pen detects which display pixel the user is pointing at. That information is transmitted to the computer.
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