### What is the rotation speed of the disks in rpm

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##### Reference no: EM13275298

A given application is reading and writing 32KByte files on a disk that has a data transfer rate of 150MByte/s. Measurements have shown that this disk incurs an average seek time of 6.7 msec and needs an average of 11.08 msec to complete a read or write of a 32KBytes file.

A. What is the rotation speed of the disks in RPM? Assume that the controller overhead is negligible
B. What is the minimum time that would be needed to read a 64KBytes file from the given disk?

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