One tool that is use&l during both analysis and design is the (72) which is a..

2010年上半年上午试卷综合知识

第 72 题


章/节	专业英语

One tool that is use&l during both analysis and design is the (72) ,which is a pictorial representation of the items of mformation(entities) within the system and the relationships between these pieces of information.

A. data dictionary

B. dataflow diagram

C. use case diagram

D. entity-relationship diagram

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