9. 請問一個具有 78 條資料輸入線的多工器，至少需幾條資料選擇線？ (A) 5 (B) 6 (C) 7 (D) 8

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.

9. 請問一個具有 78 條資料輸入線的多工器，至少需幾條資料選擇線？
(A) 5
(B) 6
(C) 7
(D) 8

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