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Definition of Light pen
1. Noun. (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated.
Exact synonyms: Electronic Stylus
Generic synonyms: Pointer
Category relationships: Computer Science, Computing
Generic synonyms: Pointer
Category relationships: Computer Science, Computing
Definition of Light pen
1. Noun. (computing) A pen-like device allowing a computer user to interact with the screen display. ¹
¹ Source: wiktionary.com