试题与答案

数据流程图(DFD图)是A) 软件概要设计的工具 B) 软件详细设计的工具C) 结构

题型:单项选择题

题目:

数据流程图(DFD图)是

A) 软件概要设计的工具
B) 软件详细设计的工具
C) 结构化方法的需求分析工具
D) 面向对象方法的需求分析工具

答案:

参考答案:C

解析: 数据流图是结构化分析方法中使用的工具,它以图形的方式描绘数据在系统中流动和处理的过程。软件结构图是软件概要设计的工具,而详细设计是对概要设计的每个模块进行细化,UML是面向对象的需求分析的工具。

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Ⅰ.门前平台与室外地面高差,不宜大于0.30m,并用缓坡台阶和坡道过渡
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A.Ⅰ、Ⅳ
B.Ⅱ、Ⅲ
C.Ⅲ、Ⅳ
D.Ⅱ、Ⅳ

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