12.下圖為一 DTL NAND 閘電路，請問 Q1 電晶體的作用為何？ (A) 穩壓 (B) 截波 (C) 保護 (D) 提高扇出數

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.

12.下圖為一 DTL NAND 閘電路，請問 Q₁ 電晶體的作用為何？

(A) 穩壓
(B) 截波
(C) 保護
(D) 提高扇出數

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