Question: Consider a demand-paging system with the following measured utilizations: CPU utilization 20%, paging disk 97.7%, other I/O devices 5%. Which (if any) of the following

Consider a demand-paging system with the following 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 for each case.

a. Install faster CPU

b. Decrease degree of multiprogramming

c. Install more main memory

d. Install a bigger paging disk

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