Meaning Of The Word Light pen

Real Dictionary

What's the definition of Light pen? Find Light pen meanings, definitions and more at the Real Dictionary online.

Light pen Meaning

Light pen Definition
Light pen Definition

What's The Definition Of Light pen?

light pen in American English
a hand-held, pen-shaped electronic device used to scan images, draw lines, designate points, etc. as on a computer video screen
noun: 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

light pen in British English
noun: a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at

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