题目内容

The second function of the MCU ports is used to implement ().

A. output data
B. read the state of a sensor
C. pulses
D. external interrupting

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In a microcontroller, () is used to store the program because this kind memory can retain the stored information even when not powered.

A. RAM
B. ROM
C. Flash
D. Register

() are not the special features of the microcontroller.

A. Parallel Ports
B. Serial Ports
C. Timers
D. Counters

对于需要确定国家重要工程中地基土的抗剪强度指标需要用到()。

A. 直剪试验
B. 固结试验
C. 三轴压缩试验
D. 载荷试验

【岩】( )不是三轴剪切试验与直剪试验相比所具有的优点。

A. 应力条件明确
B. 剪切面固定
C. 分析原理严密
D. 可模拟各种排水条件和应力条件

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