Question: 4 - For a three - page memory system with memory reference string, for example, 2 , 3 , 6 , 3 , 1 ,

4- For a three-page memory system with memory reference string, for example,
2,3,6,3,1,1,2,6,2,3,1,6,3,1,2,1,6,3,2,1
Find the hit ratio for the FIFO replacement scheme
Find the hit ration for the LRU replacement scheme
Find the hit ration for the OPT replacement scheme

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