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1. Why is it that, on a system with paging, a process cannot access memory it does not own?
How could the operating system allow access to other memory? Why should it or should it not?
2. Consider a paging system with the page table stored in memory.
a. If a memory reference takes 200 nanoseconds, how long does a paged memory reference take?
b. If we add associative registers, and 75 percent of all page-table references are found in the associative registers, what is the effective memory reference time? (Assume that finding a page-table entry in the associative registers takes zero time, if the entry is there.)
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