Consider a demand-paging system with the following time-measured utilizations:
CPU: 20%; Paging disk: 97.7%; Other I/O devices: 5%.
For each of the following, say 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.