11. 如下圖最可能為何種計數器？ (A) BCD 計數器 (B) 環狀計數器 (C) 移位計數器 (D) 詹森計數器

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.

11. 如下圖最可能為何種計數器？

(A) BCD 計數器
(B) 環狀計數器
(C) 移位計數器
(D) 詹森計數器

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