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【简答题】
某指令流水线分为五级，分别完成取址(IF)、译码并取数(ID)、执行(EX)、访存(MEM)、写结果(WR)。设完成各阶段操作的时间依次为90 ns、60 ns、70 ns、1 00 ns、50 ns。试问流水线的时钟周期应取何值?若第一条和第二条指令发生数据相关，试问第二条指令需推迟多少时间才能不发生错误?若相邻两条指令发生数据相关，而不推迟第二条指令的执行可采取什么措施?
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举一反三
【单选题】Few people would defend the Victorian attitude to children, but if you were a parent in those days, at least you knew where you stood: children were to be seen and not heard. Freud and company did awa...
A.
There is no defense for Victorian harshness.
B.
Parents are grateful to Freud for his advice.
C.
Parents can be too strict with their children.
D.
Child-care books prove sensible and practical.