試題詳解

5. Which of the following statements is true with respect to Belady's anomaly?
(A) Giving more memory to a process will improve its performance.
(B) As the number of allocated frames increases, the page-fault rate may decrease for all page replacement algorithms.
(C) For some page replacement algorithms, the page-fault rate may increase as the number of allocated frames increases.
(D) For some page replacement algorithms, the page-fault rate may decrease as the number of allocated frames increases.