Mathematics, 28.05.2021 18:30 needhelpwithHW10
The following page table is for a system with 16-bit virtual and physical addresses and with 4,096-byte pages. The reference bit is set to 1 when the page has been referenced. Periodically, a thread zeroes out all values of the reference bit. A dash for a page frame indicates the page is not in memory. The page replacement algorithm is localized LRU, and all numbers are provided in decimal.
Page Page Frame Reference Bit
0 9 0
0 1 0
2 14 0
3 10 0
4 - 0
5 13 0
6 8 0
7 15 0
8 - 0
9 0 0
10 5 0
11 4 0
12 - 0
13 - 0
14 3 0
15 2 0
A.) Convert the following virtual addresses (in hexadecimal) to the equivalent physical addresses. Provide answers in hexadecimal. Also set the reference bit for the appropriate entry in the page table.
0xF12C
0x5A9D
0xB9D9
0x6001
0x9CA1
B.) Using the above addresses as a guide, provide an example of a logical address (in hexadecimal) that results in a page fault.
C.) From what set of page frames will the LRU page-replacement algorithm choose in resolving a page fault?
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