Optimal Page Replacement Algorithm Multiple choice Questions and Answers (MCQs)
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..... has the lowest fault rate of all the page replacement algorithms.
Optimal page replacement algorithm
LRU replacement algorithm
Question 1 Explanation:
Optimal page replacement algorithm has the lowest fault rate as it has the knowledge of all the pages beforehand.
Optimal page replacement algorithm is also called as .....
Clairvoyant replacement algorithm
Question 2 Explanation:
Optimal page replacement algorithm is also called a Clairvoyant replacement algorithm or Belady's optimal replacement algorithm.
In a optimal page replacement algorithm, when a page is to be replaced, which of the following pages is chosen?
Frequently occurred page in the future
Not frequently occurred page in the future
Question 3 Explanation:
The page which doesn't occur more frequently in the future is chosen to be replaced with the page in the frame.
A page that is not going to be used for the next 7 seconds will be swapped out over a page that is going to be used within the next 0.7 seconds.
Question 4 Explanation:
In an optimal page replacement algorithm, the page that is to be used later in the future is swapped out over a page that is to be used immediately.
Analysis of the optimal paging problem has been done through.....
Question 5 Explanation:
Analysis of the optimal paging algorithm is done through an online algorithm. Efficiency is calculated through amortized analysis.
There are 5 questions to complete.