28. D 牌微電腦使用 1 byte 來儲存有號整數，試問它所能儲存最小負值為多少？ (A) -128 (B) -127 (C) -256 (D) -255

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.

28. D 牌微電腦使用 1 byte 來儲存有號整數，試問它所能儲存最小負值為多少？
(A) -128
(B) -127
(C) -256
(D) -255

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