Question: A disk rotates at 7 2 0 0 RPM . It has 5 0 0 sectors of 5 1 2 bytes around the outer cylinder.

A disk rotates at 7200 RPM. It has 500 sectors of 512 bytes around the outer cylinder. How long does it take to read a sector?
A)4.167 usec
B)8.33 msec
C)16.67 usec
D)0.2 msec
Which is correct?

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