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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.3
C.3.5
D.4
2)A.700
B.800
C.930
D.1100查看答案
试题参考答案：C 、B
试题2
若某条无条件转移汇编指令采用直接寻址，则该指令的功能是将指令中的地址码送入( )。
A．PC(程序计数器)
B．AR(地址寄存器)
C．AC(累加器)
D．ALU(算逻运算单元)查看答案
试题参考答案：A
试题3
利用结构化分析模型进行接口设计时，应以( )为依据。
A．数据流图
B．实体一关系图
C．数据字典
D．状态一迁移图查看答案
试题参考答案：A
试题4
（1）是指把数据以及操作数据的相关方法组合在同一个单元中，使我们可以把类作为软件中的基本复用单元，提高其内聚度，降低其耦合度。面向对象中的（2）机制是对现实世界中遗传现象的模拟，通过该机制，基类的属性和方法被遗传给派生类。
（1）A、封装
B、多态
C、继承
D、变异
（2）A、封装
B、多态
C、继承
D、变异查看答案
试题参考答案：A、C
试题5
以下关于二叉排序树（或二叉查找树、二叉搜索树）的叙述中，正确的是（ ） 。
A．对二叉排序树进行先序、中序和后序遍历，都得到结点关键字的有序序列
B．含有 N 个结点的二叉排序树高度为【 log2n】 +1
C．从根到任意二个叶子结点的路径上，结点的关键字呈现有序排列的特点
D．从左到右排列同层次的结点，’其关键字呈现有序排列的特点查看答案
试题参考答案：D
试题6
People are i ndulging in an illusion whenever t hey find themselves explaining at a cocktail(鸡尾酒) party, say, that they are "i n computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of the high-tech world. Just between us, they usually aren't. The researchers who made fundamental breakthroughs in those areas are in a high-tech busi ness. The rest of us are （1） of their work. We use computers and other new t echnology components to develop our products or to organize our affairs. Because we go about this work in teams and projects and other tightly knit working groups(紧密联系在一起的工作小组), we are mostl y in the human communication business. Our successes stem
from good human int eractions by all participants in the effort, and our failures stem from poor human interactions.
The main reason we tend to focus on t he （2） rather t han the human side of the work is
not because it's more （3） , but because it's easier to do. Getting the new disk drive installed is positively trivial compared t o figuring out why Horace is in a blue funk(恐惧) or why Susan is dissatisfied with the company after only a few months. Human interactions are complicated and never very crisp(干脆的,干净利落的) and clean in their effects, but they matter more than any other aspect of the work.
If you find yourself concentrating on the （4） rather than the （5）, you're like t he
vaudeville character(杂耍人物) who loses his keys on a dark street and looks for them on t he adjacent street because, as he explains, "The light is better there!".
（1）A、creators
B、innovators
C、appliers
D、inventors
（2）A、technical
B、classical
C、social
D、societal
（3）A、trivial
B、crucial
C、minor
D、insignificant
（4）A、technology
B、sociology
C、physiology
D、astronomy
（5）A、technology
B、sociology
C、physiology
D、astronomy查看答案
试题参考答案：C、A、B、A、B
试题7
以下关于单身模式(Singleton)的描述中，正确的是（ ）。
A、它描述了只有一个方法的类的集合
B、它能够保证一个类只产生一个唯一的实例
C、它描述了只有一个属性的类的集合
D、它能够保证一个类的方法只能被一个唯一的类调用查看答案
试题参考答案：B
试题8
在CPU中用于跟踪指令地址的寄存器是( )。
A．地址寄存器(MAR)
B．数据寄存器(MDR)
C．程序计数器(PC)
D．指令寄存器(IR)查看答案
试题参考答案：C
试题9
若视频图像序列中两帧相邻图像之间存在着极大的相关性，则这种相关性称为（ ）冗余。
A、空间
B、时间
C、视觉
D、信息熵查看答案
试题参考答案：B
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
B．proceeds
C．stops
D．speeds
（2）A．change
B．proceed
C．smooth
D．hide
（3）A．frequently
B．usually
C．commonly
D．rarely
（4）A．work
B．program
C．communicate
D．talk
（5）A．worthless
B．valueless
C．useless
D．invaluable查看答案
试题参考答案：B、A、D、C、D
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