What is the main use of a light pen

1.	What is the main use of a light pen
Answer» $\huge\mathbb\purple{A}\mathbb\blue{N}\mathbb\red{S}\mathbb\green{W}\mathbb\pink{E}\mathbb\purple{R}\blue{:-}$ 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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$\huge\mathbb\purple{A}\mathbb\blue{N}\mathbb\red{S}\mathbb\green{W}\mathbb\pink{E}\mathbb\purple{R}\blue{:-}$

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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What is the main use of a light pen

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