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4 cards from this section. Quick, good the night before a test.
What is rotational latency?
Remember it relates to the disk's rotation.
Explain seek time in simple terms.
Think about how long it takes to find your favorite song on a record.
What is the main factor affecting rotational latency?
Think about how fast the disk spins.
True or False: Seek time and rotational latency are the same.
Remember their definitions.
Calculate the average rotational latency for a disk spinning at 7200 RPM.
Remember how to calculate latency based on rotations per minute.
Discuss the advantages and disadvantages of using fixed heads compared to movable heads in disk drives.
Think about speed versus cost and flexibility.
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