COMPUTER ARCHITECTURE
MEMORY SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Binary data on Optical discs is represented using____
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Magnetic charges
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Physical pits and lands
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Electrical current
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Lasers
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Explanation:
Detailed explanation-1: -optical storage, electronic storage medium that uses low-power laser beams to record and retrieve digital (binary) data. In optical-storage technology, a laser beam encodes digital data onto an optical, or laser, disk in the form of tiny pits arranged in a spiral track on the disk’s surface.
Detailed explanation-2: -An optical disc is a flat, usually circular disc which encode binary data in the form of pits and lands on a special material on one of its flat surfaces. The lands represent “1” and the pits represent “0” in binary computing.
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