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问题 填空题

设串行异步传送的数据格式是7个数据位、1个停止位、1个校验位，波特率为2400，则每秒钟传送的最大字符数为（）个。

答案

参考答案：240

名词解释

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单项选择题

Which of the following statements about internet is (are) correct Ⅰ. Each host in internet only has a IP address. Ⅱ. It is possible to have multiple names corresponding to the same IP address. Ⅲ. In users’ points, Internet means a virtual network.

A．None

B．Ⅰ and Ⅱ

C．Ⅱ and Ⅲ

D．All
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