题目:
According to Shannon's equation, what is the channel capacity of an analog voice-grade phone line with a bandwidth of 3100 Hz and a signal-to-noise ratio or 30 dB
A.9.1 Kbps
B.9.3 Kbps
C.30.9 Kbps
D.30.17 Kbps
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C解析:【解析】while中表达式值一直为0,故循环一次也不执行。