Question

discuss the functioning of light pen

Answer 1

A light pen is a light-sensitive computer input pointing device shaped like a wand. It is connected to a visual display unit or CRT monitor and allows the user to modify data and text or make menu selections on the screen. Light pens became popular during the 1980s.

hope it is helpfull

Answer 2

Hii machiii ✋..

➡️ A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's 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.