题目内容

Her father is an English teacher.

A. 对
B. 错

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How many people are there in Li Min's family?

Who are they?

某声音传输系统每秒传输100个声音信号码元,传输声音码元的电平分为256级,则该系统的数据传输率为( )bit/s。

A. 100
B. 356
C. 800
D. 25600

二进制信号串01100010的偶校验码为( )。

A. 0
B. 1
C. 2
D. 3

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