Light Pen (Noun)
Meaning
(computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated.
Classification
Nouns denoting man-made objects.
Examples
- The instructor explained that one of the early methods of interacting with a computer was through a light pen.
- Developers began to favor other methods over the light pen as touchscreens and mice gained popularity.
- By sensing the illumination on the spot where it was pointed, the light pen could respond to the user's movements.
- The artist used a light pen to intricately design digital graphics and edit the images with accuracy.
- Students in the computer history class explored a light pen as an example of the development of input devices.