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 ( )

发布于 2021-02-15 09:13:35
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A the time it takes for the platter to make a full rotation
B the time it takes for the read-write head to move into position over the appropriate track
C the time it takes for the platter to rotate the correct sector under the head
D none of the above

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