Question

_ mouse uses laser for detecting mouse movement . Class 9 Computer ​

Answer 1

Answer:

because the mouse has a motion sensor in it

Answer 2

Answer:

An optical mouse

Explanation:

An optical mouse is a computer mouse which uses a light source, typically a light-emitting diode (LED), and a light detector, such as an array of photodiodes, to detect movement relative to a surface. Variations of the optical mouse have largely replaced the older mechanical mouse design, which uses moving parts to sense motion