What device is used to convert a signal?

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Multiple Choice

What device is used to convert a signal?

Converting signals between digital data and the form carried over a transmission medium is what this device does. A modem acts as a modulator-demodulator, turning digital signals from computers into a form suitable for transmission over the chosen medium (and then turning incoming signals back into digital data). That direct conversion between digital and analog (or different encoding) is why a modem is the right choice. A router directs traffic between networks, a switch connects devices within a local network, and a repeater simply regenerates a signal to extend reach without changing its encoding. None of these convert the signal between digital data and the medium’s signal form the way a modem does.

Converting signals between digital data and the form carried over a transmission medium is what this device does. A modem acts as a modulator-demodulator, turning digital signals from computers into a form suitable for transmission over the chosen medium (and then turning incoming signals back into digital data). That direct conversion between digital and analog (or different encoding) is why a modem is the right choice.

A router directs traffic between networks, a switch connects devices within a local network, and a repeater simply regenerates a signal to extend reach without changing its encoding. None of these convert the signal between digital data and the medium’s signal form the way a modem does.

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