Question: Operating Systems question Q9. Assume that we have a demand-paged memory. The page table is held in registers. It takes 8 milliseconds to service a

Operating Systems question Operating Systems question Q9. Assume that we have a demand-paged memory. The

Q9. Assume that we have a demand-paged memory. The page table is held in registers. It takes 8 milliseconds to service a page fault if an empty frame is available or if the replaced page is not modified and 20 milliseconds if the replaced page is modified. Memory-access time is 100 nanoseconds. Assume that the page to be replaced is modified 70 percent of the time. What is the maximum acceptable page-fault rate for an effective access time of no more than 200 nanoseconds

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