COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An input device using a CAD program that allows the computer to change the shape, size, position, and color of sections of a screen image.
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light pen
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voice recognition
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scanner
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None of the above
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Explanation:
Detailed explanation-1: -A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer’s cathode-ray tube (CRT) display.
Detailed explanation-2: -A light pen is used to draw text and diagrams or select the object with the user interface system in the CRT monitor. A light pen helps a user to select the displayed object on the monitor with more positional accuracy than the normal touch screen.
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