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Computers - General Knowledge Questions
What is the technology used in a compact disc?
A)
Aeronautical
B)
Electrical
C)
Laser
D)
Electro magnetic

Correct Answer :   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
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