COMPUTER HARDWARE
STORAGE DEVICES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Because they are created for movies and games.
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Because they save data as patterns of dots that then are read by using a light at a high power.
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Because they can be used in different devices.
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Because they can save visible information.
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Detailed explanation-1: -Why is it called an “optical” disc drive? This disc drive is called an “optical” disc drive because it has a lens in it. If you have ever seen anyone wearing glasses on their face, chances are they bought them from an “opticians” (another word for lens is optics).
Detailed explanation-2: -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-3: -Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc.