Question: (10) Modem is a signal conversion equipment when users surf the Internet, and its demodulation function refers to () A. the process of converting a

(10) Modem is a signal conversion equipment when users surf the Internet, and its "demodulation" function refers to () A. the process of converting a pulsed digital signal into an analog signal B. the process of bidirectional transmission and communication between two interconnected LANs C. the process of converting analog signals into pulsed digital signals D. the process of combining multiple signals for transmission on a physical cable

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