Recent questions tagged page-replacement

16 votes
4 answers
122
A process, has been allocated $3$ page frames. Assume that none of the pages of the process are available in the memory initially. The process makes the following sequenc...
1 votes
1 answer
127
What is the difference between first-in-first-out and last-in-first-out page replacement policies. Please provide some illustrative examples as well.
2 votes
1 answer
133
suppose R=3,2,4,3,4,2,2,3,4,5,6,7,7,6,5,4,5,6,7,2,1 is a page reference stream.if the window size is 6 and assuming pure demand paging.how may page faults will it cause u...
20 votes
4 answers
135
Which of the following page replacement algorithms suffers from Belady’s anamoly?Optimal replacementLRUFIFOBoth (A) and (C)
32 votes
4 answers
139
Thrashingreduces page I/Odecreases the degree of multiprogrammingimplies excessive page I/Oimprove the system performance
24 votes
4 answers
145
35 votes
2 answers
146
Increasing the RAM of a computer typically improves performance because:Virtual Memory increasesLarger RAMs are fasterFewer page faults occurFewer segmentation faults occ...
20 votes
5 answers
147
66 votes
9 answers
150