discuss the function of a light pen
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Light pen are used in many ways - to record voice , take pics , etc.
Anonymous:
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A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.............♥♥♥♥♥♥♥♥
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