A beam of light used to record and retrieve data on optical disks is known as
A. polarized light
B. unpolarized concentric light
C. laser
D. coloured light
E. None of the above
Answer: Option C
Solution (By Examveda Team)
In optical-storage technology, a laser beam encodes digital data onto an optical, or laser, disk in the form of tiny pits arranged in concentric tracks on the disk's surface.This Question Belongs to Computer Fundamentals >> Computer Fundamental Miscellaneous
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