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Question

An Optical Storage Device is __________.

A A permanent storage device that stores information using magnets, such as a hard drive or floppy drive. Correct Answer Incorrect Answer
B A permanent storage device that stores information using electricity, such as a flash drive or memory card Correct Answer Incorrect Answer
C A permanent storage device that stores information by creating light and dark spots on the bottom of a disc. Correct Answer Incorrect Answer
D A permanent storage device that stores information by magnetizing and un-magnetizing particles on multiple disks. Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Optical storage, electronicstorage mediumthat uses low-power laser beams to record and retrieve digital (binary) data.In optical-storagetechnology, a laser beam encodes digital data ontoan optical, or laser,diskin the form of tiny pits arranged in a spiral track on thedisk'ssurface.

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