Question

40. What is a light pen?

1)Mechanical Input device
2)Optical input device
3)Electronic input device
4)ptical output device​

Answer 1

$\huge{\mathcal {\purple {A}\green {n}\pink {s}\blue {w}\purple{e}\green {r}}}$

☆Optical output devuce

$\huge\colorbox{orange}{çhű࿐ ❤}$

Answer 2

1 answer mechanical vinput device is correct