# Consider a logical address space of 256 pages with a 4-KB page size, mapped onto a… 1 answer below »

Consider a logical address space of 256 pages with a 4-KB page size, mapped onto a…
1 answer below »Consider a logical address space of 256 pages with a 4-KB page size, mapped onto a physical memory of 64 frames. a. How many bits are required in the logical address? b. How many bits are required in the physical address? 8. Consider a computer system with a 32-bit logical address and 4-KB page size. The system supports up to 512 MB of physical memory a. How many entries are there in a single-level page table? 9. What is the purpose of paging the page tables? 10. What is the purpose of a TLB? What actions are taken in the case of a TLB miss? 11. Consider a system with a 32-bit logical address space and a page size of 4KB. How many entries will be in the inner page table in a three-level paging scheme, if the outer page table contains 2 entries? 12. On a system with paging, a process cannot access memory that it does not own. Why? (hint: page table) 13. Given six memory partitions of 300 KB, 600 KB, 350 KB, 200 KB, 750 KB, and 125 KB (in order), how would the first-fit, best-fit, and worst-fit algorithms place processes of size 115 KB, 500 KB, 358 KB, 200 KB, and 375 KB (in order)? Rank the algorithms in terms of how efficiently they use memory.
May 14 2022 05:25 PM

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