what is modem in computer
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Modem is Short for modulator-demodulator. A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.
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A modem (portmanteau of modulator-demodulator) is a hardware device that converts data between transmission media so that it can be transmitted from computer to computer (historically over telephone wires). ... Modems can be used with any means of transmitting analog signals from light-emitting diodes to radio.
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