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A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.

  • A.Modulator
  • B.Demodulator
  • C.Modem
  • D.Decoder

Answer: C

Correct answer: Modem

In a hybrid installation the digital machine’s output has to be presented to the analogue side as a continuously varying signal, and the modem performs that conversion: its modulator turns the bit stream into an analogue waveform, and its demodulator turns the returning waveform back into bits.

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