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ch16-1 Which of the following best describes the function of demodulation by a modem?
(A) Encoding an incoming analog signal from the PC as a digital signal for transmis- sion into the PSTN
(B) Decoding an incoming digital signal from the PSTN into an analog signal
(C) Encoding a set of binary digits as an analog electrical signal
(D) Decoding an incoming analog electrical signal from the PSTN into a digital signal e. Encoding a set of binary digits as a digital electrical signal

計算機概論、大意(資訊科學概論,電腦常識,電子計算機概論)- ICND1_ch16_ch17#4436

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