Consider the following page reference string: 7, 2, 3, 1, 2, 5, 3, 4,

Back to the 2023 paper

Module 5: Memory Management

20239m

Consider the following page reference string:
7, 2, 3, 1, 2, 5, 3, 4, 6, 7, 7, 1, 0, 5, 4, 6, 2, 3, 0, 1.
How many page faults would occur for the FIFO, LRU and Optimal page replacement algorithms, assuming demand paging with four frames? Remember that all frames are initially empty, so first unique pages will cost one fault each.

Search Google Ask AI

Similar questions

OPERATING SYSTEMConsider the following page 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 would occur for the following replacement algorithms? Assuming 3 frames are available. Also assume that initially none of pages in main memory. (i) Optimal replacement (ii) FIFO replacement20237m Operating SystemHow many page faults would occur for the following reference string for four page frames and three page frames using LRU and FIFO algorithms: 1, 2, 3, 4, 5, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2.201914m OPERATING SYSTEMHow many page faults would occur for the following reference string for four page frames and three page frames using LRU and FIFO algorithms: 1, 2, 3, 4, 5, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2.201914m OPERATING SYSTEMConsider the following page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. Compare the page faults occur for the following replacement algorithms using 3 frames? Assume, initially all the frames are empty. (i) LRU replacement (ii) FIFO Replacement202414m

PreviousWhat is thrashing. Explain the main cause of thrashing. How can we limit the effects of thrashing.NextFor a deadlock to occur, each of the necessary conditions must hold. By ensuring that at least one of these conditions cannot hold, we can prevent the occurrence of a deadlock. Give one approach individually to prevent each of these necessary conditions.