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.
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.