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