Question

Which technology is used in compact disc or disks?
A) Laser
B) Mechanical
C) Electrical
D) Electro magnetic

Answer 1

HEY!!!

CORRECT ANSWER IS :-

$\huge{a) \: laser}$

Thanks❤❤

Answer 2

Answer:

Correct answer is option (A) Laser.

Explanation:

Compact Disks are thin and circular data storage devices that uses optical laser technology.

A semiconductor laser diode is used from which a beam of laser light is emitted to read and write the information (data or music), when the compact disc rotates on the player.

Hope it helps.