One tool that is useful during both anal

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问题 One tool that is useful during both analysis and design is the（　　），which is a pictorial representation of the items of information（entities） within the system and the relationships between these pieces of information.A.data dictionaryB.dataflow diagramC.use case diagramD.entity-relationship diagram

选项 A.data dictionary
B.dataflow diagram
C.use case diagram
D.entity-relationship diagram

答案 D

解析实体关系图是一个在分析与设计阶段都很有用的工具，它主要是用图形的方式来表示系统内部的各种信息条目（实体）以及它们之间的相互关系。
A.数据字典B.数据流图 C.用例图D.实体关系图

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本试题收录于：中级信息系统监理师题库软件水平考试初中高级分类

中级信息系统监理师

软件水平考试初中高级

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One tool that is useful during both anal

中级信息系统监理师

软件水平考试初中高级

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