A light pen is a pointing input device used with graphical display systems. It allows the user to interact directly with the screen by detecting light emitted from the monitor and sending the information back to the computer.
Light pen is which type of device?
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Question context
This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.