Modem def

Modem for Short-modulator / DEMODULATOR. This is a communication tool, which allows the computer transmission of information over the phone. Since the digital computer (it works discrete electrical signals is a binary 1 and binary 0) and the analog line (bear signal, which can be any of a large number of variations), modems, which are necessary to modify the digital signal to analog and vice versa – or vice versa.