个性冲动的人，大脑前额叶皮质抑制冲动的能力比一般人要弱。（）
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A microcontroller is a single IC chip that contains the processor, memory, a clock and an I/O control unit.
A. 对
B. 错
MIcrocontroller has 8 ports, each one having 12 input/output lines providing a total of 32 I/O lines.
A. 对
B. 错
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