【判断题】74LS138译码器可以实现任意三个变量的逻辑函数。( )
【单选题】It was on October 1st ____ new China was founded.
【多选题】戴尔的“经验之塔”理论所阐述的是经验抽象程度的关系,_________。
【简答题】October 1st, 2011 Dear Ann, I hope that you and your children will be here in two weeks. My husband and I will go to meet you at the train station. Our town is small but it is nice and beautiful. You...
【单选题】The Shanghai World Expo came to an end on October 1st,, ________turned out to be a great success. [ ]
【单选题】—When is National Day (国庆节)? —It is _________. [ ]
【单选题】下面关于分时操作系统和批处理多道操作系统的陈述中不正确的是 ( ) 。
A.
前者的目标是对用户请求快速响应;后者的目标是提高机器效率。
B.
前者适合运行比较短小的作业;后者适合运行需要较长时间才能完成的大型作业。
C.
前者适合执行各种不同负载的作业;后者适合执行功能相同的作业。
D.
前者通常用基于时间片的策略实施进程调度;后者通常用基于优先级的策略实施进程调度。
【单选题】( )There is going to be a wonderful party __________ the evening of October 1st, 2009.