Question: What is a light pen?
Answer:
A light pen is a type of input device that allows the user to interact with a computer by pointing a pen-shaped device at the computer screen. The light pen was popularized in the 1960s and 1970s as a means of interacting with early computer systems.
MCQ: What is a light pen?
Explanation:
A light pen is a type of input device that allows the user to interact with a computer by pointing a pen-shaped device at the computer screen. The light pen was popularized in the 1960s and 1970s as a means of interacting with early computer systems.
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