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Assume there are four page frames, and they are empty at the beginning. Consider the following page reference sequence. 2, 1, 3, 4, 2, 1, 3, 2, 6, 1, 3, 2, 1, 5, 3, 2, 1, 4 3.1 How many page faults occur if we use the LRU page replacement algorithm?

Assume there are four page frames, and they are empty at the beginning. Consider the following page reference sequence. 2, 1, 3, 4, 2, 1, 3, 2, 6, 1, 3, 2, 1, 5, 3, 2, 1, 4 3.1 How many page faults occur if we use the LRU page replacement algorithm?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Assume there are four page frames, and they are empty at the beginning. Consider the following page reference sequence. 2, 1, 3, 4, 2, 1, 3, 2, 6, 1, 3, 2, 1, 5, 3, 2, 1, 4 3.1 How many page faults occur if we use the LRU page replacement algorithm? 3.2 If we can look into the future and know what the future page references will be, we can do page replacement in an optimal way. What is the minimum number of page faults you can manage? Describe the content changes in the page frames through time.
Transcribed Image Text:Assume there are four page frames, and they are empty at the beginning. Consider the following page reference sequence. 2, 1, 3, 4, 2, 1, 3, 2, 6, 1, 3, 2, 1, 5, 3, 2, 1, 4 3.1 How many page faults occur if we use the LRU page replacement algorithm? 3.2 If we can look into the future and know what the future page references will be, we can do page replacement in an optimal way. What is the minimum number of page faults you can manage? Describe the content changes in the page frames through time.
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