graphical visual display device

graphical visual display device

[¦graf·ə·kəl ¦vizh·ə·wəl di′spla di‚vīs]
(computer science)
A computer input-output device which enables the user to manipulate graphic material in a visible two-way, real-time communication with the computer, and which consists of a light pen, keyboard, or other data entry devices, and a visual display unit monitored by a controller. Also known as graphoscope.
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