3. Consider FIFO, in slide 32 like below: Reference string: 7,0,1,2,0,3,0,4,2,3,0,3,0,3,2,1,2,0,1,7,0,1 ■ 3 frames (3 pages can be in memory at a time per process) reference string 701 2 0 3 0 4 2 3 03 2 1 201701 2 4 0 7 7 2 o 0 0 1 page frames 15 page faults 3 4 NO 0 1 3 N10 NOV 7 1 2 2 7 0 1

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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3. Consider FIFO, in slide 32 like below:
Reference string: 7,0,1,2,0,3,0,4,2,3,0,3,0,3,2,1,2,0,1,7,0,1
3 frames (3 pages can be in memory at a time per process)
■
reference string
7 0 1 2 0 3
7 7 7
0
0
1
2
0
1
page frames
15 page faults
0 4
2 2 4
3
3 3
1 0 0
23032 1
4 0
4
2
2
2
0 3 3
201
0
1
1
3 2
701
7
1
2
7 7
0 0
2 1
(a) Repeat this slide, but with 5 (five) frames (in report 4, you were asked to do the same slide with 4 frames
and 2 frames). How many page faults are there?
(b) How many page faults will be there if we use 9 (nine) frames? For this part (b), you can use mathematical
argument without really showing how the frames look for each new number.
(c) How many page faults will be there is we use 1 (one) frame? Explain!
Transcribed Image Text:3. Consider FIFO, in slide 32 like below: Reference string: 7,0,1,2,0,3,0,4,2,3,0,3,0,3,2,1,2,0,1,7,0,1 3 frames (3 pages can be in memory at a time per process) ■ reference string 7 0 1 2 0 3 7 7 7 0 0 1 2 0 1 page frames 15 page faults 0 4 2 2 4 3 3 3 1 0 0 23032 1 4 0 4 2 2 2 0 3 3 201 0 1 1 3 2 701 7 1 2 7 7 0 0 2 1 (a) Repeat this slide, but with 5 (five) frames (in report 4, you were asked to do the same slide with 4 frames and 2 frames). How many page faults are there? (b) How many page faults will be there if we use 9 (nine) frames? For this part (b), you can use mathematical argument without really showing how the frames look for each new number. (c) How many page faults will be there is we use 1 (one) frame? Explain!
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