Question: A memory management unit has a gap between two processes of the following size (sorted by ascending address): 10 KB, 4 KB, 20 KB,

A memory management unit has a gap between two processes of the following size (sorted by ascending address): 10 KB, 4 KB, 20 KB, 18 KB, 7 KB, 9 KB, 12 KB, 15 KB. What are the gaps created by First Fit, Best Fit, Worst Fit and Next Fit, if processes of 12 KB, 10 KB and 9 KB are to be stored? Task 2 How many page errors does the FIFO algorithm generate, with 8 pages (numbered from 0 to 7) and 4 page frames if the page frames are initially empty on the following access sequence? Access sequence: 0172327103 Task 3 A memory management unit works with 4 page frames. The table shows the load time, last access time, R and M bits for each page. Which side replaces NRU, FIFO and Second-Chance? Page loaded last access R M 280 265 270 285 0 1 2 3 126 230 140 110 1 0 0 1 0 1 0 1

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