Q. The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to ______.
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(A)
the time its takes for the platter to make a full rotation
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(B)
the time it takes for the read-write head to move into position over the appropriate track
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(C)
the time it takes for the platter to rotate the correct sector under the head
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(D)
none of the above
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Correct Answer: (A)
the time its takes for the platter to make a full rotation