(BITS 1213) CONFIDENTIAL PART B: STRUCTURED QUESTIONS (50 MARKS) INSTRUCTION: Answer ALL questions QUESTION 1 (10 MARKS) Given a scenario where there are four frames. The following table shows the loading time of a page into each page frame, the time of last access to the page, and the Referenced (R) and Modified (M) bits for each page frame (the times are in clock ticks from the process start at time 0). Table 1: Virtual Page Information Virtual Page Time Time RM Number Loaded Referenced bitbit 3 136 245 1 1 1 98 214 1 0 0 0 125 240 1 0 2 76 255 1 1 a. A page fault to virtual page 4 has occurred at time 256. Which page should be replaced for each of the following memory management policies? i FIFO i LRU (4 marks)