Question

______ is the phenomenon in operating system in which sometimes increasing the number of page frames, increases the number of page faults. This phenomenon is commonly experienced in _____ page replacement policy.
1. Banker's concept, FIFO
2. Dining Philosopher's Problem, LRU
3. Belady's Anomaly, FIFO
4. Gangs Phenomenon, Optimal

Answer 1

Correct Answer - Option 3 : Belady's Anomaly, FIFO
Belady's anomaly is the phenomenon in which increasing the number of page frames results in an increase in the number of page faults for certain memory access patterns. This phenomenon is commonly experienced when using the first-in first-out (FIFO) page replacement algorithm.