题目内容

单片机的引脚分类有？

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MSC-51系列单片机外扩存储器芯片时，4个I/O口中用作数据总线的是

A. P0
B. P1
C. P2
D. P3

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在MCS-51系统中，一个机器周期等于1μS

A. 对
B. 错

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What is individualism?

A. People look out for what is good for the group.
B. People focus on what is good for themselves
C. The group looks out for itself and is independent.

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"A student will do all the work to make sure the group will get a high score."This is an example of

A. Individualism
B. Collectivism
C. Autonomy
D. Individuality

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