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Question 5. Using the following reference string demonstrate (show) that FIFO page replacement suffers from Belady's...
For the following reference string apply the FIFO page replacement algorithm. For the following reference string apply the OPT page replacement algorithm. For the following reference string apply the LRU page replacement algorithm. For the following reference string apply the LFU page replacement algorithm.
Given the following page-reference string, show the allocation of 3 frames of memory using FIFO , LRU and OPT. How many page faults for FIFO, LRU and OPT? 3,1,2,1,3,1,4,1,3,2,4,2,5,6,4,6,2,1,6,5
Question 7 30 pts Consider the following page reference string: {1,2,3,4,1,5,6,2,1,2,3,7,6,3} Assume that the system has 4 page frames allocated to these 7 pages. Follow the page placement and replacement using the following three replacement algorithms: • LRU replacement • FIFO replacement • Optimal replacement How many page faults will occur for these three algorithms? Assume that all frames are initially empty, so your first unique pages will all cost one fault each USE ENCLOSED TABLES! Show all calculations in...
Need help with this Track page replacement with the provided reference string in the provided table, using the FIFO algorithm. Answer"y" or "n" to indicate whether there is a page fault or not. In case of a tie, replace the topmost eligible cell - the one closest to the top of the table. 392 36 Fault?
Write a program that implements the FIFO, Optimal, MFU, and LRU page-replacement algorithms. Given a page-reference string, where page numbers range from 0 to 9, apply the page-reference string to each algorithm, and output the number of page faults incurred by each algorithm. Write your code so that the number of page frames in the page table can vary from 1 to 10. 1.0 Functional Requirements 1.1: Your program shall be run with the following: ./a.out Example: ./a.out datafile.txt 1.2:...
Consider the following page reference string: 5, 3,7,5, 3, 6, 1, 0,4,6,2,0,1,2,7,3,1,4,7,2 Assuming demand paging with three frames, how many page faults would occur for the following replacement algorithms!? LRU replacement FIFO replacement Optimal replacement
Consider the following page reference string: 1, 0, 3, 2, 6, 4, 5, 0, 1, 7, 7, 6, 4, 3, 5, 2, 1, 3, 2, 7 Assuming demand paging with three frames, how many page faults would occur for the following replacement algorithms? Show your work. (a) LRU replacement (b) FIFO replacement (c) Optimal replacement
Given the following page reference string, count the number of page faults for a memory capacity of 4 frames using the CLOCK page replacement algorithm. Reference string: 0, 1, 2, 3, 0, 1, 4, 0, 1, 2, 3, 4, 5, 6, 3, 2, 1, 0. Show all work.
Consider the following page reference string for a specific process: 7, 2, 3, 1, 2, 5, 3, 4, 6, 7, 7, 1, 0, 5, 4, 6, 2, 3, 0, 1 Assuming demand paging with 3 frames, determine the page fault rate for each of the following page replacement algorithms: a. LRU replacement b. FIFO replacement c. Optimal replacement
Consider the following page reference string for a three-frame memory: 6 3 1 5 3 4 3 2 5 4 3 4 5 1 5 3 1 6 3 1 Apply LRU, Clock and FIFO algorithms What will be the number of page faults for each replacement algorithm note that page faults at the beginning are counted?