Question: With the optimal page replacement algorithm, assuming the virtual memory system has only 3 memory frames,how many page faults does the page visit reference string

With the optimal page replacement algorithm, assuming the virtual memory system has only 3 memory frames,how many page faults does the page visit reference string (7,0,1,2,0,3,0,4,2,3,0,3,2,1,2,0,1,7,0,2) result in?

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