1)Given that main memory is composed of only three page frames for public use and that...

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Programming

1)Given that main memory is composed of only three page framesfor public use and that a seven-page program (with pages a, b, c,d, e, f, g) that requests pages in the following order: a, b, c, b,d, a, e, f, b, e, d, f a)Using the FIFO page removal algorithm,indicate the movement of the pages into and out of the availablepage frames (called a page trace analysis) indicating each pagefault with an asterisk (*). Then compute the failure ratio andsuccess ratio. b)Using FIFO again, increase the size of memory soit contains four page frames for public use. Using the same pagerequests as above, do another page trace analysis and compute thefailure and success ratios.
2)Given the following Segment MapTables for two jobs:
SMT for Job 1
Segment Number
Memory Location
0
4096
1
6144
2
9216
3
2048
4
7168
SMT for Job 2
Segment Number
Memory Location
0
2048
1
6144
2
9216
a.Â Â Which segments, if any,are shared between the two jobs?
b.Â Â If the segment nowlocated at 7168 is swapped out and later reloaded at 8192, and thesegment now at 2048 is swapped out and reloaded at 1024, what wouldthe new segment tables look like?

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3.7 Ratings (641 Votes)

1 Number of page frames available 3 Order of the page requests a b c b d a e f b e d f Algorithm used FIFO Page Trace Analysis Page Request a b c b d a e f b e d f Page Fault Page Frame 1 a a a a d d d f f f f f Page Frame 2 b b b b a a See Answer

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SMT for Job 1 Segment Number	Memory Location
0	4096
1	6144
2	9216
3	2048
4	7168

SMT for Job 2 Segment Number	Memory Location
0	2048
1	6144
2	9216