Respuesta :
The FIFO algorithm commonly encounters this issue. Case 1: If the system contains 3 frames, utilizing the FIFO page replacement mechanism on the reference string results in a total of 9 page faults.
When a program that is now executing tries to access a memory page that is mapped into the virtual address space but not physically loaded in memory, a page fault occurs. Therefore, the right response is 15. A process refers to the five pages A, B, C, D, A, B, E, A, B, C, D, and E. The number of page transfers with an empty internal storage of three frames is seven if the page replacement strategy is FIFO. The number of page transfers will rise if the number of page frames is raised to four. The best page replacement method is the optimal page replacement algorithm because it produces the fewest page errors. OPT, or clairvoyant replacement algorithm, is another name for it.
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