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  9. Q83

CGPSC 2019 · Question 83 of 100

Which of the following performs, modulation and demodulation?

Science & Tech

  1. ACoaxial cable
  2. BFibre optic
  3. CModemCorrect
  4. DSatellite

Answer: C. Modem

Explanation

A modem is a network hardware device that performs both modulation and demodulation. The term "modem" is a portmanteau of "modulator" and "demodulator".

Source: CGPSC 2019 official paper

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