MODEM
modulation & demodulation .......
modem (modulator + demodulator)
Modulator-Demodulator stands for modem
Modulator/Demodulator
MODEM stands for 'Modulator-Demodulator'.
Modulator and Demodulator
Modem = modulator-demodulator, and is a tool for tweaking an analog signal so that it can be used in a digital device.
Modulator/Demodulator.
modulator and demodulator
modulator-demodulator
Nothing. They are both modems (MOdulator/DEModulator).
The combined term for them is Modem.
A modulator demodulator (MODEM)