软件设计师每日一练试题（2026/4/1）

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软件设计师每日一练试题内容（2026/4/1）

试题1
某计算机系统的CPU主频为2.8GHz。某应用程序包括3类指令，各类指令的CPI(执行每条指令所需要的时钟周期数)及指令比例如’下表所示。执行该应用程序时的平均CPI为（）；运算速度用MIPS表示，约为（）。

1)A.25
B、时间
C、视觉
D、信息熵
查看答案
试题参考答案：B
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试题10
So it is today．Schedule disaster functional misfits,and system bugs all arise because the left hand doesn't know what the right hand is doing．As work （1）, the several teams slowly change the functions,size, and speeds of their own programs, and they explicitly or implicitly （2）their assumptions aboutme inputs available and the uses to be made of the outputs.
For example, the implementer of a program-overlaying function may run into problems and reduce speed relying on statistics that show how （3）this function will arise in application programs．Mean-while back at the ranch, his neighbor may be designing a major part of the supervisor so that it criticallydepends upon the speed of this function．This change in speed itself becomes a major specificationchange, and it needs to be proclaimed abroad and weighed from a system point of view.
How, then, shall teams （4）with one another? In as many ways as possible.
•Informally．Good telephone service and clear definition of intergroup dependencies will encourage the hundreds of calls upon which common interpretation of written documents depends.
•Meetings．Regular project meetings, with one team after another giving technical briefings, are （5）．Hundreds of minor misunderstandings get smoked out this way.
•Workbook．A formal project workbook must be started at the beginning.
（1）A．starts