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Performance of demand paging
Demand paging can have an important effect on the performance of a computer system. As long as there are no page faults, the effective access time is equal to the memory access time. The memory access time is represented by ma, now ranges from 10 to 200 nanoseconds.
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
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what is multilevel page table and its applications?
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