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The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
Edition 4ISBN: 978-1284074482The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
Edition 4ISBN: 978-1284074482 Exercise 45
Suppose the daytime processing load consists of 60% CPU activity and 40% disk activity. Your customers are complaining that the system is slow. After doing some research, you learn 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 1.4 times as fast for $5,000.
a) Which would you choose to yield the best performance improvement for the least amount of money?
b) Which option would you choose if you don't care about the money, but want a faster system?
c) What is the break-even point for the upgrades? That is, what price would we need to charge for the CPU (or the disk-change only one) so the result was the same cost per 1% increase for both?
a) Which would you choose to yield the best performance improvement for the least amount of money?
b) Which option would you choose if you don't care about the money, but want a faster system?
c) What is the break-even point for the upgrades? That is, what price would we need to charge for the CPU (or the disk-change only one) so the result was the same cost per 1% increase for both?
Explanation
Verified
Verified
a)
Consider the following data:
CPU acti...
The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
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