Computer Science · Page Replacement Algorithms
Match the page replacement algorithms in LIST-I with their defining characteristics or mechanisms in LIST-II: LIST-I (Algorithm) A. FIFO B. Optimal (OPT) C. Least Recently Used (LRU) D. Second Chance LIST-II (Trait/Mechanism) I. Theoretical benchmark that minimizes faults using future knowledge. II. FIFO refinement utilizing a reference bit and a circular clock hand. III. Simplest implementation using a queue to replace the oldest page. IV. Replaces pages by analyzing past behavior using a stack or counters. Choose the correct answer from the options given below:
- 1A-I, B-III, C-II, D-IV
- 2A-III, B-IV, C-I, D-II
- 3A-III, B-I, C-IV, D-II✓
- 4A-IV, B-I, C-II, D-III
Correct answer
A-III, B-I, C-IV, D-II
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