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Given that main memory is composed of three page frames for public use and that a program requests pages in the following order.
a,b,a,c,d,a,e,f,g,c,b,g
a.) using the FIFO range removal algorithm, do a page trace analysis indicating page faults with asterisks (*). then compute the failure and success ratios.
b.) increase the size of memory so it contains four page frames for public use. Using the same page request as above and FIFO, do another page trace analysis and compute the failure and success ratio.
c.) did the result correspond with you intuition? explain.
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
Assume that 80 percent of the accesses are in the associative memory and that, of the remaining, 10 percent (or 2 percent of the total) cause page faults.What is the effective memory access time?
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How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU.
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