Consider a demand-paging system with the following time-measured
utilizations:
CPU utilization 20%
Paging disk 97.7%
Other I/O devices 5%
For each of the following, indicate whether it will (or is likely to) improve
CPU utilization. Explain your 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.