Multiple Choice
Which of the following is true about the strategy that uses page fault frequency (PFF) to prevent thrashing?
A) A new page is allocated to a process if PFF is too high.
B) A page is deallocated from a process if the PFF is too low.
C) A new process may be swapped in if PFF is too low.
D) All of the above.
Correct Answer:
Verified
Correct Answer:
Verified
Q44: Explain the distinction between global allocation versus
Q45: Prepaging an executable program is much easier
Q46: Some operating systems keep a pool of
Q47: Lock bit is NOT used for which
Q48: Given the reference string of page accesses:
Q49: Explain how copy-on-write operates.
Q50: A drawback of equal or proportional allocation
Q51: How are lock bits useful in I/O
Q53: Explain how working set model works.
Q54: In Additional-Reference-Bits algorithm,<br>A) the least-recently used page