Consider a paging system with the page table stored in memory. 80 percent of all page-table references are found in the TLBS. We assume that a memory reference takes 300 ns and finding a page-table entry in the TLBS takes 50 ns. What is the effective access time?
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- Consider a paging system with the page table stored in memory.a. If a memory reference takes 400 nanoseconds, how long does a paged memoryreference take?b. If we add TLBs, and 95 percent of all page-table references are found in the TLBs,what is the effective memory reference time? (Assume that finding a page-table entry inthe TLBs takes zero time, if the entry is there.)(b) Consider a paging system with the page table stored in memory. If a memory referencetakes 200 nano seconds, how long does a paged memory reference take? If we add a TLB,and 75% of all page references are found in the TLB, what is the effective memory referencetime? (Assume that it takes zero time to find an entry in the TLB if it is already present).4. Given that the main memory size is 32KB, the page size is 64B, the word size is 1B, and n-level paging is applied. What is the page number size? If (5, 10) is a record in the outer page table stored in PCB and (9, 7) is a record in the inter page table stored in page frame No.10, what is the physical address of the logical address 0010101001000110 in HEX?
- Consider a system with 36-bit addresses that employs both segmentation and paging. Assume each PTE and STE is 4-bytes in size Assume the largest possible segment table is 213 bytes and the largest possible page table is 216 bytes. How large is a page? How large in bytes is the largest possible segment? please explain and don't paste the quizlet pictureConsider a program with seven virtual pages numbered from 0 to 6 references its pages in the order:0 1 3 6 2 4 5 2 5 0 3 1 2 5 4 1 0Using clock page replacement algorithm with 4 frames and assuming demand paging, compute the number of page faults and show the state of frames (pages in frames and value of clock bit) after each page access.Consider a paging system with the following: Physical memory= 32 bytes. Page size=4 bytes. Page Table: Page Frame 0 5 1 6 2 1 3 2 What are the physical addresses for the following logical addresses? A) 15 B) 8 C) 4
- Consider a system with pages of size 512. If an address in binary is: 0011 1001 0111 0111 The offset is (in base 10 - decimal)? and the virtual page number is (in base 10 - decimal)?Consider a paging system with the page table stored in memory. Memory access takes 200 nanoseconds. If we add associative registers (a TLB), and 75 percent of all page table references are found in associative registers, then the effective memory reference time is__ns Assume that finding a page-table entry in the TLB takes zero time.So if i had page size 8k (which is 2^13=8k) & had a virtual address length of 32 bits and did 32 - 13 = 19, is that the vpn or offset? <<<<<<< please tell which
- On a simple paging system with 224 bytes of physical memory, 256 pages of logical address space, and a page size of 210 bytes. 1. How many bits are needed to store an entry in the page table (how wide is the page table)? Assume a valid/invalid 1-bit is included in each entry. 2. If the page table is stored in the main memory with 250nsec access time, how long does a paged memory reference take? 3. If the page table is implemented using associative registers that takes 95nsec. and main memory that takes 200nsec, what is the total access time if 75% of all memory references find their entries in the associative registers?Suppose that a machine has 38-bit virtual addresses and 32-bit physical addresses.(a) What is the main advantage of a multilevel page table over a single-level one?(b) With a two-level page table, 16-KB pages, and 4-byte entries, how many bits should be allocated for the top-level page table field and how many for the next-level page table field? Explain.Flash storage: Suggest how to reduce the size of the translation table if very often long ranges of consecutive logical page numbers are mapped to consecutive physical page numbers.