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【简答题】
若某机主频为 200MHZ ,每个指令周期平均为 2.5 个 cpu 周期,每个 cpu 周期包括两个主频周期,问: (1)该机平均指令执行速度为多少 MIPS? (2)若主频不变,但每条指令平均包括 5 个 cpu 周期,每个 cpu 周期又包含 4 个主频周期,平均每条指令执行速度为多少 MIPS?
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举一反三
【单选题】静息电位大小接近于 ( )
A.
Na+平衡电位
B.
K+平衡电位
C.
Na+平衡电位与K+平衡电位之和
D.
Na+平衡电位与K+平衡电位之差
E.
锋电位与超射之差
【单选题】What was another contribution by Edison to the movies?
A.
He introduced the 35 mm standard machine to the world.
B.
He introduced the 35 mm as the international standard film width.
C.
He created a 35 mm standard device for showing movies.
D.
He created his own standard devices for showing 35 mm film.
【简答题】审计证据的适当性包括相关性和（ ）。
【简答题】A．He is going to Professor Hudson's home. B．He is going to the movies with the woman. C．He is going to the cinema with Jane. D．He is going to the dorm to write his thesis.
【简答题】定义接口的关键词是
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