interactive graphical input

interactive graphical input

[¦in·tə¦rak·tiv ¦graf·ə·kəl ′in‚pu̇t]
(computer science)
Information which is delivered to a computer by using hand-held devices, such as writing styli used with electronic tablets and light-pens used with cathode-ray tube displays, to sketch a problem description in an on-line interactive mode in which the computer acts as a drafting assistant with unusual powers, such as converting rough freehand motions of a pen or stylus to accurate picture elements.
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