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[2021] PSU - CMPSC 473 Operating Systems - Final Exam - Q2 Page Faults

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Consider a DRAM with 4 pages which initially contains XBCY (in their order of recency of access, with Y being the most recently accessed and X the least recently accessed.) Calculate the number of page faults for the following reference string (each letter denotes a unique virtual page):AAABACAADCEDBAACEEAB. Assume the least-recently used (LRU) page replacement policy. CourseNana.COM

o   9 CourseNana.COM

o   7 CourseNana.COM

o   5 CourseNana.COM

o   10 CourseNana.COM

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