584 views
0 votes
0 votes

Consider an operating system capable of loading and executing a single sequential user process at a time. The disk main scheduling algorithm used is FCFS. If FCFS is replaced by SSTF claimed by the service provider to give 50% better benchmark results, what is the expected improvement in the I/O performance of user programs?

  1. 50%
  2. 40%
  3. 25%
  4. no improvement 

2 Answers

0 votes
0 votes
Answer is - d) no improvement
Answer:

Related questions

2 votes
2 votes
1 answer
1
Bikram asked Sep 3, 2016
292 views
Match these OS abstractions with Hardware components:A. Thread1. interruptB. Virtual address space2. memoryC. File system3. CPUD. Signal4. DiskA-2 B-4 C-3 D-1A-1 B-2 C-3 ...
3 votes
3 votes
1 answer
2
Bikram asked Sep 3, 2016
354 views
Semaphores are used to solve the problem ofresource allocationprocess synchronizationdeadlockprocess communication
3 votes
3 votes
1 answer
3
2 votes
2 votes
2 answers
4