Consider a demand-paging system with the following time-measured utilizations: cpu utilization 20% paging disk 97% other i/o devices 5% for each of the following, say whether it will (or is likely to) improve cpu utilization. explain you answers. a. install a faster cpu.

b. install a bigger paging disk.

c. increase the degree of multiprogramming.

d. decrease the degree of multiprogramming.

e. install more main memory.

f. install a faster hard disk or multiple controllers with multiple hard disks.

g. add prepaging to the page fetch algorithms.

h. increase the page size.