Question

short questions: what is the use of light pen?
​

Answer 1

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

Explanation:

Hope it helps

Answer 2

Answer:

it is a computer input devise which is light sensitive used withCRT . It is uses to display object and draw on screen