Question

Question 31 supus Given a computer using a byte-addressable virtual memory system with a two-entry TLB, a 2-way set associative cache, and a page table for a process P. Assume cache blocks of size 16 bytes. Assume pages of size 32 bytes and a main memory of 4 frames. Assume the following TLB and page table for Process P: TLB 03 4 هما 0 1 2 3 4 5 6 7 Page Table f Vali d 1 1 0 2 1 0 0 0 Assume process P generates a memory request with virtual address Ox75 (Note: this is in hexadecimal notation). What is its corresponding physical address? You may represent the address in binary or hexadecimal notation. 1 pts

Answer 1

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Stebl In this question, Data given is :- Spage size = 32 Bytes Page offset = Jeg 32 32 = 5bits bit > Number of pages in Page table = 8 > Page Address bits = log 8 = 3 bits Step3 Hede, CPU generates 8 bit logical address Virtual address Page offset 3 Virtual Address given is =0x75 = Onilo01 2 to Page 0!! offset 10101 Jard page د TB IROSVI miss goes to page table Page Table the have seen that 3rd page is not present in TLB i then gees to page table In page Table, 3rd page is present with valid bit = 1 and Frame tonumber contains is 2

7. In main memory, there are 4 foumes. So, 2 bit for frame and 5 bits for offset So, Physical will be of 7 bits - Physical Address Frame Number / offset 2 as u no llolol Physical Address = 1010101 = Ox 55