Barletly explain the useof light pen?

1.	Barletly explain the useof light pen?
Answer» Answer: 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. It ALLOWS the user to point to DISPLAYED objects or draw on the screen in a similar WAY to a touchscreen but with greater positional accuracy.

Answer»

Answer:

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. It ALLOWS the user to point to DISPLAYED objects or draw on the screen in a similar WAY to a touchscreen but with greater positional accuracy.

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Barletly explain the useof light pen?​

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Barletly explain the useof light pen?