(Solved) : 1 Consider Demand Paging System Following Time Measured Utilizations Cpu Utilization 20 Pa Q34451329 . . . .

1. Consider a demand-paging system with the followingtime-measured utilizations: CPU utilization 20% Paging disk 5%Other I/O devices 97%
Indicate which will improve system utilization and explain youranswer.
  
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 withmultiple hard disks.

g. Add prepaging to the page-fetch algorithms.

h. Increase the page size.

2. How is X-RAID or Hybrid RAID different than regular RAIDlevels?

3. Using the program you just wrote, or by hand, calculate thetotal head movements for the following queues using FCFS