Question

what is a light pen? what is its purpose

Answer 1

Explanation:

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 2

Answer:

$\bold \red{h} \bold\blue{i} \: \bold{m} \bold \purple{a} \bold \green{t} \bold \pink{e}$

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.

$\boxed{f} \red{o} \boxed{l} \pink{l}\boxed{o} \green{w} \: \: \boxed{m} \purple{e}$