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T4A06: What signals are used in a computer-radio interface for digital mode operation?

T4A06T4A

What signals are used in a computer-radio interface for digital mode operation?

Answer choices for T4A06
Why this wins

The key fact is Receive audio, transmit audio, and transmitter keying. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T4A06 is Receive audio, transmit audio, and transmitter keying.

The key fact is Receive audio, transmit audio, and transmitter keying. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in T4A

T4A01Which of the following is an appropriate power supply rating for a typical 50-watt output mobile FM transceiver?T4A02Which of the following should be considered when selecting an accessory SWR meter?T4A03Why are short, heavy-gauge wires used for a transceiver’s DC power connection?T4A04How are the audio input and output of a transceiver connected in a station configured to operate using FT8?T4A05Where should an RF power meter be installed?T4A07Which of the following is one of the connections required between a computer and a transceiver to operate digital modes?