Course Solutions Uncategorized (Solved) : Os Question 4 Page Replacement Policies 18 Points Question Related Ilo 2b Describe Princip Q33142259 . . . .

(Solved) : Os Question 4 Page Replacement Policies 18 Points Question Related Ilo 2b Describe Princip Q33142259 . . . .

 

OS Question 4 – Page Replacement Policies (1.8 points)

(This question is related to ILO 2b – “describe the principles usedby OS in effectively virtualizing memory
resources”, and ILO 3 – “analyze and evaluate the algorithms of thecore functions“)

In a paging system, the following page accesses are recorded in apage reference string:
1, 1, 3, 5, 2, 2, 3, 2, 6, 8, 7, 6, 2, 1, 5, 5, 5, 1, 4, 9, 7,7
How many page faults would occur under LRU replacement, Optimalreplacement, and CLOCK
replacement? Assume the system has five page frames and the framesare empty initially. If there is
a tie in selecting a

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