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Operating System MCQs
Virtual Memory Page Replacement Algorithms 1 MCQs
Virtual Memory Page Replacement Algorithms 1 MCQs
15 MCQs — Operating System MCQs (Page 2 of 2)
Attempt Virtual Memory Page Replacement Algorithms 1 Quiz
What is the Optimal page – replacement algorithm?
A. Replace the page that has not been used for a long time
B. Replace the page that has been used for a long time
C. Replace the page that will not be used for a long time
D. None of the mentioned
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Optimal page – replacement algorithm is difficult to implement, because ____________
A. It requires a lot of information
B. It requires future knowledge of the reference string
C. It is too complex
D. It is extremely expensive
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LRU page – replacement algorithm associates with each page the ______
A. Time it was brought into memory
B. The time of that page’s last use
C. Page after and before it
D. All of the mentioned
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For 3 page frames, the following is the reference string: 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 How many page faults does the LRU page replacement algorithm produce?
A. 10
B. 15
C. 11
D. 12
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What are the two methods of the LRU page replacement policy that can be implemented in hardware?
A. Counters
B. Ram & registers
C. Stack & counters
D. Registers
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Word of the Day
12 Oct
Indigenous
originating or occurring naturally in a particular place; native.
ملکی، مقامی، کسی خاص جگہ پایاجانیوالا
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