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Light Pen | MCQs

Q1: What is a Light Pen?

لائٹ قلم کیا ہے؟

Electronic input device

Optical output device

Optical input device

Mechanical Input device

Explanation

Light pen is an optical input device.

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.

Computer Input Devices Light Pen User Interaction

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