Click on the calculator icon in the upper left corner. If a disk drive's rotational speed is 10000 revolutions per minute, what is its average rotational latency?

The correct answer is C. 3 milliseconds. Rotational Latency Rotational Latency= 0.5 / (RPM / 60) = 0.5 / (10000 / 60)

Intelligent Storage Systems

Question

Exhibit

Options

A0.003 milliseconds
B0.05 milliseconds
C3 milliseconds
D5 milliseconds

How the community answered

(48 responses)

A
13% (6)
B
6% (3)
C
79% (38)
D
2% (1)

Explanation

Rotational Latency Rotational Latency= 0.5 / (RPM / 60) = 0.5 / (10000 / 60)

Topics

#rotational latency#RPM#disk performance#HDD mechanics

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