Question

If number of frames increased to 3 frame the option of replacement will increase and the number of page fault decrease.

Answer 1

Answer:

Explanation:This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Virtual Memory – Page Replacement Algorithms – 1”.

1. Which of the following page replacement algorithms suffers from Belady’s Anomaly?

a) Optimal replacement

b) LRU

c) FIFO

d) Both optimal replacement and FIFO

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2. A process refers to 5 pages, A, B, C, D, E in the order : A, B, C, D, A, B, E, A, B, C, D, E. If the page replacement algorithm is FIFO, the number of page transfers with an empty internal store of 3 frames is?

a) 8

b) 10

c) 9

d) 7

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3. In question 2, if the number of page frames is increased to 4, then the number of page transfers ____________

a) decreases

b) increases

c) remains the same