第11题: [单项选择]What are they talking about A. A sweater. B. A watch. C. A red bike. 参考答案:B 答案解析:[听力原文] M: Alice, I want to buy you a watch. Which one do you like F: I like the red one, Dad.
第36题: [单项选择]采用级联方式使用8259中断控制器,可使它的硬中断源最多扩大到 A. 64个 B. 32个 C. 16个 D. 15个 参考答案:A 答案解析:【解析】8259A可编程中断控制器可接收来自外设的中断请求信号,并把中断源的中断类型号送CPU。采用级联方式使用8259中断控制器,可使它的硬中断源最多扩大到64个。