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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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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 ______

(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 mentioned

This question was addressed to me by my college professor while I was bunking the class.

This key question is from Storage Allocation topic in chapter Storage Management of Compiler

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The correct answer is (a) The time it takes for the platter to make a full rotation

The best I can explain: Rotational latency is the time taken to make full rotation.

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