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Question

N processes are waiting for I/O. A process spends a fraction p of its time in I/O wait state. The CPU utilization is given by:

a.

1 - p^-N

b.

1 - p^N

c.

p^N

d.

p^-N

Answer: (b).1 - p^N

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Q. N processes are waiting for I/O. A process spends a fraction p of its time in I/O wait state. The CPU utilization is given by:

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