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设异步串行通信的波特率为2400波特，若传送1KB的数据，每帧信息占10个数据位，则传送所需的时间为（）秒。

A、3.4

B、4.3

C、5.6

D、6.5

时间：2021-07-17 23:47 关键词：能源与动力工程专升本火电厂微机监控 2019级第三学期期末考试

答案解析

B

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