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 _______ is example of Full duplex

  • A.Walkie-talkies
  • B.Monitor
  • C.Keyboard
  • D.Telephone

Answer: D

Correct answer: Telephone

A telephone carries speech in both directions at the same time, which is full duplex. A walkie-talkie is half duplex - only one party may speak at a time - and a keyboard or monitor is simplex.

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