CCC Online Test

Question : What is a light pen?

Topic : Introduction to Computer
A. A Mechanical Input device
B. Optical input device
C. Electronic input device
D. Optical output device



Solution
B. Optical input device


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Question : What is a light pen?

Topic : Introduction to Computer
A. input device
B. Output device
C. A kind of pen
D. None of these



Solution
A. input device


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