There are _____ data transmission modes.

There are _____ data transmission modes.

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Explanation
There are 3 main data transmission modes:
  1. Simplex: Data flows in one direction only (e.g., keyboard to computer).
  2. Half-Duplex: Data can flow both ways, but not at the same time (e.g., walkie-talkies).
  3. Full-Duplex: Data flows both ways simultaneously (e.g., telephone conversations).