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Operating System: Paging
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none30 asked Sep 4, 2023
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Ace Test Series | Operating System | Paging
A machine supports a 48 bit virtual address and 32 bit physical address. Pages are 8KB. If the page table entry contains besides other information, one V/I bit, 1R, 1M and 2 bits for page protection. What is the page table size in bytes? 86 MB 128 MB 96 MB 512 MB
A machine supports a 48 bit virtual address and 32 bit physical address. Pages are 8KB. If the page table entry contains besides other information, one V/I bit, 1R, 1M an...
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none30 asked Jul 1, 2023
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Ace Test Series | Operating System | Demand Paging
On a system using demand - paged memory, it takes 120 ns to satisfy a memory request if the page is in memory. If the page is not in memory, the request takes 5 ms. What would the page fault rate need to be to achieve an effective access time of 1 us? 25% 30% 18% 20%
On a system using demand - paged memory, it takes 120 ns to satisfy a memory request if the page is in memory. If the page is not in memory, the request takes 5 ms. What ...
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