Which device is used to convert a signal between digital and analog forms?

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Multiple Choice

Which device is used to convert a signal between digital and analog forms?

Converting a signal between digital and analog forms is what a modem does. It modulates digital data from a computer into an analog signal for transmission over telephone lines and demodulates incoming analog signals back into digital data. This allows digital networks to work over traditional analog infrastructure. A router directs packets between networks, a switch connects devices within a LAN, and a repeater only regenerates a signal to extend distance without changing its digital/analog form. So the device that performs the conversion is the modem.

Converting a signal between digital and analog forms is what a modem does. It modulates digital data from a computer into an analog signal for transmission over telephone lines and demodulates incoming analog signals back into digital data. This allows digital networks to work over traditional analog infrastructure. A router directs packets between networks, a switch connects devices within a LAN, and a repeater only regenerates a signal to extend distance without changing its digital/analog form. So the device that performs the conversion is the modem.

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