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COMPUTER ORGANIZATION & ARCHITECTUREIn cache memory, FIFO and LRU are examples of: (i) Mapping techniques (ii) Addressing techniques (iii) Replacement algorithms (iv) Write policies20252mCOMPUTER ORGANIZATION & ARCHITECTUREExplain different cache replacement algorithms used in memory management.20247mOPERATING SYSTEMWhich of the following page replacement algorithms suffers from Belady's anomaly? (i) Optimal replacement (ii) LRU (iii) FIFO (iv) Both (a) and (c)20232mOPERATING 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