【判断题】【消耗次数：1】
数据字典和数据流图共同构成系统的逻辑模型。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
数据流图用于抽象描述一个软件的逻辑模型,数据流图由一些特定的图符构成.下列图符名标识的图符不属于数据流图合法图符的是( )。
①
控制流
②
加工
③
数据存储
④
源点和终点
【简答题】
数据字典的主要内容包括：数据项、[填空1]、数据流、 数据存储 和处理过程。
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such a
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so
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many a