Question: A hard disk has average seek time 9ms, 7200 revolutions per minute, disk transfer rate of 30 MBytes/sec and controller transfer rate of 500 MBits/sec.

A hard disk has average seek time 9ms, 7200 revolutions per minute, disk transfer rate of 30 MBytes/sec and controller transfer rate of 500 MBits/sec. What is the average time to read or write a 1KB sector to this hard disk?

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