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Consider a main memory with five page frames and the following sequence of page references: 3, 8, 2, 3, 9, 1, 6, 3, 8, 9, 3, 6, 2, 1, 3. Which one of the following is true with respect to page replacement policies First In First Out (FIFO) and Least Recently Used (LRU)?
  • a)
    Both incur the same number of page faults
  • b)
    FIFO incurs 2 more page faults than LRU
  • c)
    LRU incurs 2 more page faults than FIFO
  • d)
    FIFO incurs 1 more page faults than LRU
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Consider a main memory with five page frames and the following sequenc...
LRU:
9-page faults:
FIFO:
9-page faults:
Hence LRU and FIFO will have 9-page faults.
Free Test
Community Answer
Consider a main memory with five page frames and the following sequenc...
LRU:
9-page faults:
FIFO:
9-page faults:
Hence LRU and FIFO will have 9-page faults.
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Consider a main memory with five page frames and the following sequence of page references: 3, 8, 2, 3, 9, 1, 6, 3, 8, 9, 3, 6, 2, 1, 3. Which one of the following is true with respect to page replacement policies First In First Out (FIFO) and Least Recently Used (LRU)?a)Both incur the same number of page faultsb)FIFO incurs 2 more page faults than LRUc)LRU incurs 2 more page faults than FIFOd)FIFO incurs 1 more page faults than LRUCorrect answer is option 'A'. Can you explain this answer?
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