第6题: [单项选择]内存按字节编址,地址从90000H到CFFFFH,若用存储容量为16K×8bit芯片构成该内存,至少需要的芯片数是______。 A. 2 B. 4 C. 8 D. 16 参考答案:D 答案解析:[解析] CFFFF-90000+1=40000,即256KB,若用存储容量为16K×8bit芯片则需芯片数=(256K×8)/(16k×8)=16(片)。 采用字扩展的方法,用若干存储芯片
第31题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. 9:20. B. 9:26. C. 9:14. D. 9:06. 参考答案:B 答案解析:[听力原文]
W: I waited until 9:20 for you.
M: I must have arrived 6 minutes after you left.
Q: What t