第12题: [单项选择]为了使多个进程能有效地同时处理输入输出,最好采用哪一种技术 A. 中断 B. 缓冲 C. 交互 D. 控制 参考答案:B 答案解析:缓冲技术是计算机系统中常用的一种技术,一般地,凡是数据到达速度和离去速度不匹配的地方都可以使用缓冲技术。所以,为了使多个进程能有效地同时处理输入输出,最好采用缓冲技术。
第27题: [单项选择]A. It is quite cold in London now. B. The man is planning to visit London. C. The woman will stay in London for a long time. D. The woman likes the weather in London very much. 参考答案:B 答案解析:[解析] M: What was the weather like when you left London last Tuesday W: It was very much like