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【单选题】
下列选项中，对数据字典叙述不正确的是( )A.
数据字典的作用是对数据流程图上每个成分的定义和说明
B.
建立数据字典的目的是进行功能分析
C.
数据字典是数据库设计的依据
D.
数据字典属于逻辑模型的一部分
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【单选题】A user reports that the laser printer is constantly jamming on humid days. Which of the following is the MOST likely resolution to the problem?（）
A.
Replace the paper with thinner paper.
B.
Replace the toner cartridges.
C.
Replace the fuser.
D.
Replace the print heads.
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