What is the technology used in a compact disc?

A)
Aeronautical
B)
Electrical
C)
Laser
D)
Electro magnetic

Correct Answer : Option (C) - Laser



CD-ROM stands for Compact Disc Read-Only Memory, a mass storage medium utilizing an optical laser to read microscopic pits on the aluminized layer of a polycarbonate disc. The same format is used for audio Compact Discs.

Published On : June 15, 2021
Category : Computers