modem(redirected from Dial-up networking)
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a hardware device that converts digital signals from a computer or computer terminal to and from analog signals for transmission along communication lines.
abbreviation for modulate/demodulate. It is a device for transforming serial binary numbers into an audible tone, and vice versa, for transmission over a telephone line to another computer.
A device that converts digital data into analogue data for transmission by telephone via copper cable lines.