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Full duplex

Updated: 10/11/2017 by Computer Hope
Back and forth arrows.

Signal that flows in both directions at the same time over one line. Full duplex or FDX is commonly used in voice chat over the Internet and allows both users to talk instead of only one at a time.

Related information

  • How to determine if Full Duplex is enabled.
  • Sound card help and support.

Computer abbreviations, Duplex, Echoplex, Half duplex, Hardware terms

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