国产精品久久久久久免费免熟,五月婷婷激情综合网,欧美三级视频网站,一级少妇淫片,国产精品女教师av久久,啪啪免费视频,wwww黄色片

軟題庫 學習課程
試卷年份2010年上半年
試題題型【單選題】
試題內(nèi)容

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 dictionary
B、dataflow diagram
C、use case diagram
D、entity-relationship diagram

查看答案

相關試題