A

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Q. Communication circuits that transmit data in both directions but not at the same time are operating in

  • (A) a simplex mode
  • (B) all the options
  • (C) a full duplex mode
  • (D) a half duplex mode
  • Correct Answer - Option(D)
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Explanation by: Admin

Half duplex communication allows data transmission in both directions, but only one direction at a time. Example: Walkie-talkies.

  • Simplex allows data transmission in only one direction. Example: TV broadcasting.
  • Full duplex allows data transmission in both directions simultaneously. Example: Telephone calls.

Therefore, "transmit data in both directions but not at the same time" refers to half duplex.

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