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Question

Consider a demand-paging system with the following time-measured utilizations: CPU utilization

20%      Paging disk 97.7%         Other I/O devices 5%

Which (if any) of the following will (probably) improve CPU utilization? Explain your answer.

1)  Install a faster CPU.

2)  Install a bigger paging disk.

3)  Increase the degree of multiprogramming.

4)  Decrease the degree of multiprogramming.

5)  Install more main memory.

6)  Install a faster hard disk or multiple controllers with multiple hard disks.

7)  Add prepaging to the page fetch algorithms.

8)  Increase the page size.

Top Answer

6)Install a faster hard disk... View the full answer

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