Engineering, 26.02.2020 21:01 Hali07

T has been observed that the number of instructions executed between page faults is di- rectly proportional to the number of page frames allocated to a program. If the avail- able memory is doubled, the mean interval between page faults is also doubled. Sup- pose that a normal instruction takes 1 microsec, but if a page fault occurs, it takes 2001 μsec (i. e., 2 msec) to handle the fault. If a program takes 60 sec to run, during which time it gets 15,000 page faults, how long would it take to run if twice as much memory were available?

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T has been observed that the number of instructions executed between page faults is di- rectly propo...

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