题目详情

高级系统分析师,模拟考试,2021年《系统分析师》模拟试卷4

  • A.公共
  • B.控制
  • C.标记
  • D.数据

正确答案及解析

正确答案
A
解析

公共耦合:指通过一个公共数据环境相互作用的那些模块间的耦合。

控制耦合:如果一个模块通过传送开关、标志、名字等控制信息,明显地控制选择另一模块的功能,就是控制耦合。

标记耦合:一组模块通过参数表传递记录信息,就是标记耦合。这个记录是某一数据结构的子结构,而不是简单变量。

数据耦合:一个模块访问另一个模块时,彼此之间是通过简单数据参数 (不是控制参数、公共数据结构或外部变量) 来交换输入、输出信息的。

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