INPUTOUTPUT AND STORAGE DEVICES
STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type of storage medium uses laser beam?
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Magnetic
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Optical
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Solid state
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None of the above
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Explanation:
Detailed explanation-1: -An optical disk drive uses a laser beam to read the data from the disk as it is spinning. It distinguishes between the pits and lands based on how the light reflects off the recording material.
Detailed explanation-2: -The most common types of optical storage media include CDs, DVDs, and Blu-ray discs (Brain).
Detailed explanation-3: -Optical storage media: In optical storage media information is stored and read using a laser beam. The data is stored as a spiral pattern of pits and ridges denoting binary 0 and binary 1. Examples: CDs and DVDs blu ray disc.
There is 1 question to complete.