29.請問PCM(PulseCodeModulation)是哪一種轉換?
(A)Analog-to-analog
(B)Analog-to-digital
(C)Digital-to-analog
(D)Digital-to-digital

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統計: A(20), B(212), C(84), D(31), E(0) #2404815

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#5186442
脈波編碼調變(PCM)是一種類比訊號的數...
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