Multiple choice

Which of the following is used for modulation and demodulation?

  1. Protocols

  2. Gateway

  3. Modem

  4. Multiplexer

  5. _
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is a device that enables a computer to transmit data through telephone or other communication lines. Modem converts its digital signal into analog signals. It is used in modulation and demodulation.

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