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Railways PYQCBT 1 2016

RRB NTPC · Question 73

An example of Full Duplex communication channel. A. Radio Broadcasting B. Television Broadcasting C. Walkie-Talkie D. Telephone conversation

  1. D

  2. A

  3. C

  4. B

Show answer & explanation

Answer: (A) D

Explanation

In full-duplex communication both sides can send and receive at the same time, as in a telephone conversation. A walkie-talkie is half-duplex (one at a time), and radio and TV broadcasts are simplex (one way).