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【单选题】
下列不是网络战的形式是()A.
网络情报战
B.
火力攻击
C.
网络舆论战
D.
网络摧毁战
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【简答题】存储器的主要功能是什么?如何衡量存储器的性能?为什么要把存储系统分成若干不同的层次?主要有哪些层次?
【单选题】Drivers on the Basingstoke by-pass used to have their attention diverted by a sign that read-A MOMENT'S INATTENTION CAUSES ACCIDENTS. This self-defeating warning has now been removed but its message i...
A.
it is not tree
B.
it will distract the driver's attention
C.
it is too difficult to understand
D.
it is too long to be read while driving a car
【简答题】计算机存储器是分级设计的。 主存储器 的功能主要是存放当前运行程序及执行程序所需要的资料;( ) 存储器是 程序运行暂不需要的资料可长期保存。
【单选题】Drivers on the Basing stoke by-pass used to have their attention diverted by a sign that read A MOMENT'S INATFENTION CAUSES ACCIDENTS. This self-defeating warning has now been removed but its message ...
A.
it is not true
B.
it will distract the driver's attention
C.
it is too difficult to understand
D.
it is too long to be read while driving a car
【单选题】Match the right sentence to the sign.
A.
Look out for animals on the road.
B.
Traffic lights ahead
C.
No cycling on this road.
D.
Be careful ! There are road works ahead so there might be traffic delays.
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