Question: Consider the following memory reference string. What will be the number of page faults in case FIFO page replacement algorithm is used and 4 physical

Consider the following memory reference string. What will be the number

Consider the following memory reference string. What will be the number of page faults in case FIFO page replacement algorithm is used and 4 physical memory frames are allocated for the process? Reference sting 10120 30 42 3 0 3 21 2017013 a. 12 b. 17 c. 21 d. 15 None of the above

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