A

Admin • 35.87K Points
Coach Computer

  • (A) Teleport
  • (B) Multiplexer
  • (C) Concentrator
  • (D) Modem
Correct Answer - Option(D)

Explanation by: Admin
A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information. 

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