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light pen

noun

Simple Definition of light pen

  • computers : a device shaped like a pen that senses light signals and is used to work with information on a computer screen

Source: Merriam-Webster's Learner's Dictionary

Full Definition of light pen

  1. :  a pen-shaped device for direct interaction with a computer through a cathode-ray tube display

Examples of light pen in a sentence

  1. writing with a light pen



1958

First Known Use of light pen

1958


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