题目内容

在软件结构设计完成后，对于下列说法正确的是（）。

A. 软件层数过多，可能是因为各管理子模块功能过于复杂的原因
B. 对软件宽度影响最大的因素是扇入
C. 一个模块的扇出过大，说明该模块过分复杂，缺少中间层
D. 一个模块的扇入过大，说明该模块过分复杂，缺少中间层

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2. There is a wide variety of products available to buy on the Internet. （）

A. 对
B. 错

3. Men are spending more online than women. （）

A. 对
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Which of the following components of an operating system maintains the directory system?

A. memory manager
B. file manager
C. device drivers
D. process administration

Which of the following components of an operating system handles the details associated with particular peripheral equipment?

A. device drivers
B. file manager
C. memory manager
D. process manager