Fill in the blanks: Page Replacement Algorithm. Using below page reference string, provide the total number of page faults with 4 frames. 4 6. 3 8 6 4 2 6 5 3 6 4 4 8 5 8 7 4 6 2 4 3 5 13 6 2 8 4 7 3 29 8 5 7 3 5 Total Page Faults: FIFO: LRU: OPT:
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- There are 5 page frames and 8 pages (numbered 0; 1; : : : ; 7). Assume that all frames are initially empty. The reference sequence is the following:7 1 2 3 1 4 2 0 5 6 2 5 0 3 1 2 1:(a) How many page faults will occur if the FIFO page replacement is used?(b) What if we use the "second chance" algorithm?Your answer should be justi ed (which references cause page faults and what is the reason).Each of the four possible page-replacement methods has to be specified in full. How about we look at the differences between the two?BE CAREFUL ABOUT NUMBERS Consider the following page reference string:7, 7, 2, 2, 7, 3, 1, 2, 5, 3, 4, 6, 7, 7, 1, 0, 5, 4, 6, 2, 3, 0, 1Assuming demand paging with three frames, how many page faults would occur for the LRU page replacementalgorithm?
- Consider the following page reference string: 3 1 4 1 5 9 2 6 5 3 5 Assuming demand paging with three frames, how many page faults would occur for the following replacement algorithms? Least recently used replacement First-in-first-out replacementFor 3 page frames, the following is the reference string: 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 . "How many page faults does the Optimal Page Replacement algorithm produce"?1. The purpose of creating various page replacement algorithms is to: a.) to allocate pages to frames. b. )increase the page fault rate. c.) decrease the page fault rate. d.) replace pages faster. 2. Optimal page replacement algorithm is difficult to implement, because it: a.) requires a lot of information. b.) is extremely expensive. c.) requires future knowledge of reference string. d.) is too complex. 3. LRU page replacement algorithm associates with each page the: a.) page that has the least count. b.) time of that page 's last use c.) time it was brought into memory. d.) page that will not be used.
- How many page faults does the LRU page replacement algorithm produce? 7 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 Assume frame size is 3. How many page faults does the LRU page replacement algorithm produce? Select one: a.10 b.12 c.11 d.15Segmentation errors and page design flaws are cited. Give a quick summary of the main differences between a segmentation fault and a page fault.What is the difference between the enhanced second-chance page-replacement algorithm and the FIFO page-replacement algorithm?
- Briefly describe page replacement caused due to lack of available frames.Alert dont submit AI generated answer. Consider the following page reference string: 1, 2, 3,3, 4, 7, 1, 5, 6, 1,2,3,7 ,6,3,2,1,2,3,6How many page faults would occur for the following replacement algorithms: • LRU replacement • FIFO replacement • Optimal replacement (Remember that all frames are initially empty, so your first unique pages Pick a number between 3 and six and illustrate out LRU, FIFO and Optimal page replacement for that many pages for the given reference string.Consider the following page reference string:7, 2, 2, 4, 1, 2, 3, 0, 6, 6, 5, 0, 7, 2, 7, 0, 0, 4, 7, 7Assuming demand paging with three frames, how many page faults would occur for the followingreplacement algorithms?• LRU replacement• FIFO replacement• Optimal replacement