4. Why is the man in a hurry?
A. He’s going back home.
B. He’s late for class.
C. Someone’s waiting for him.
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5. Where will Jack and Michael meet?
A. In the dorm.
B. At the school gate.
C. On campus.
DAC0832是 位的,是 级缓冲输入。
A. 8 一
B. 8 两
DAC0832是电压还是电流输出?
A. 电流
B. 电压
DAC0832锁存信号是 ,电平有效。
A. /LE 低
B. /LE 高