异步串行通讯中,一个字符的编码是基本传递单位的组成部分之一。()
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初始化时向8254的控制口写入方式控制字37H,则定义计数器0的工作方式是方式4。()
8255与CPU连接时地址线一般与CPU的地址总线A1和A0连接。()
Which of the following should be recorded in Oil Record Book Part Ⅰ?
A. Non automatic discharge overboard of machinery space bilge water
B. Automatic discharge overboard of machinery space bilge water
C. A and B