Engineering, 18.11.2019 18:31 ElizabethMartin6477
It has been observed that the number of instructions executed between page faults is directly proportional to the number of page frames allocated to a program. if the available memory is doubled, the mean interval between page faults is also doubled. suppose 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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