2. The memory has four (4) frames with a page size of 512 bytes in memory. Process has 8 pages. The time of loading, tim

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2 The Memory Has Four 4 Frames With A Page Size Of 512 Bytes In Memory Process Has 8 Pages The Time Of Loading Tim 1 (38.85 KiB) Viewed 20 times

2. The memory has four (4) frames with a page size of 512 bytes in memory. Process has 8 pages. The time of loading, time of last access, and the Referenced (R) and Modified (M) bits for each page frame are shown in Table 1 (the times are in clock ticks from the process start at time 0). Page Table 1: Vitual Page Information Time Loaded Time Referenced R bit Mbit 117 212 1 1 2 2 0 130 264 0 3 58 240 1 0 1 86 203 1 1 Including the initial placement of virtual page in memory (as in Table 1), consider the following virtual page reference string: 1,2,3,0, 4, 0, 4, 3, 1, 2,0, 5, 2, 4, 1 a. How many page faults would occur if Optimal policy is used? Show clearly when each page fault would occur. (4 marks)