模块A将学生信息，即学生姓名、学号、手机号等放到一个结构体中，传递给模块B 。模块A 和B 之间的藕合类型为（ ）藕合。
- A.数据
- B.标记
- C.控制
- D.内容
正确答案及解析
正确答案
解析
数据耦合：如果一个模块访问另一个模块时，彼此之间是通过数据参数 ( 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，则称这种耦合为数据耦合。 标记耦合：如果一组模块通过参数表传递记录信息，就是标记耦合。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。内容耦合：如果发生下列情形，两个模块之间就发生了内容耦合。一个模块直接访问另一个模块的内部数据； 一个模块不通过正常入口转到另一模块内部；两个模块有一部分程序代码重叠 ( 只可能出现在汇编语言中 ) ； 一个模块有多个入口。
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