Signalling and communicationQuestion 131 of 1506

What is simplex communication?

Data flows both ways at the same time
Data flows both ways, but not at the same time
Data flows one way only, from transmitter to receiver
Data flows in a ring

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Correct answer: Data flows one way only, from transmitter to receiver

A tank level sender with no reply is a simplex example.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 14.3: Data Flow

Questions last reviewed: 18 October 2026

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