Question: Assume in a 4 - processor system, processors are busy 4 0 % of the time while 6 0 % of the time is spent

Assume in a 4-processor system, processors are busy 40% of the time while 60% of the time is spent waiting on I/O.
If we increase the number of processors to 8 what speedup do we get?
What if we leave the processors alone and improve the I/O speed by 25%?

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