Consider a paged virtual memory system in which a process is allocated with 3 frames. Assume the memory reference string: 1,2,3,4,1,2,5,1,2,3,4,5; Using LRU page-replacement algorithm, How many total page faults are caused. O 10 12 O 9 O 1

Computer Networking: A Top-Down Approach (7th Edition)
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Consider a paged virtual memory system in which a process is allocated with 3 frames. Assume the memory reference string: 1,2,3,4,1,2,5,1,2,3,4,5;
Using LRU page-replacement algorithm, How many total page faults are caused.
O 10
12
9
O 11
Transcribed Image Text:Consider a paged virtual memory system in which a process is allocated with 3 frames. Assume the memory reference string: 1,2,3,4,1,2,5,1,2,3,4,5; Using LRU page-replacement algorithm, How many total page faults are caused. O 10 12 9 O 11
Consider a paged virtual memory system in which a process is allocated with 4 frames.
The contents of the page map table are given below with two frames being empty.
PageActual frame address in memory
4
122
344
477
898
Assume that the order in which the pages appear is the order in which the pages were added to the table (i.e., Page 2 was accessed after Page 4)
Assume that the subsequent page accessing is : 1,2,3,4,1,2,5
Using LRU page-replacement algorithm, What frame is accessed by Page 5.
477
O 344
122
O 898
Transcribed Image Text:Consider a paged virtual memory system in which a process is allocated with 4 frames. The contents of the page map table are given below with two frames being empty. PageActual frame address in memory 4 122 344 477 898 Assume that the order in which the pages appear is the order in which the pages were added to the table (i.e., Page 2 was accessed after Page 4) Assume that the subsequent page accessing is : 1,2,3,4,1,2,5 Using LRU page-replacement algorithm, What frame is accessed by Page 5. 477 O 344 122 O 898
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