Question: Suppose the daytime processing load consists of 65% CPU activity and 35% disk activity. Your customers are complaining that the system is slow. After doing

Suppose the daytime processing load consists of 65% CPU activity and 35% disk activity. Your customers are complaining that the system is slow. After doing some research, you have learned that you can upgrade your disks for $8,000 to make them 2.5 times as fast as they are currently. You have also learned that you can upgrade your CPU to make it 1.7 as fast for $10,000.

1) Which would you choose to yield the best performance improvement for the least amount of money?

2) What is the speedup by device in question 19, if f=.5 for each resource?

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