FAA AMT Airframe Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 1030

Data transmitted between components in an EFIS are converted into

Analog signals

Digital signals

The data transmitted between components in an EFIS, or Electronic Flight Instrument System, are converted into digital signals. These signals are used to display information on the flight displays in the cockpit. Choosing A, analog signals, is incorrect because most modern aircraft use digital technology for their flight instruments. Choosing C, mechanical movements, and D, hydraulic pressure changes, are also incorrect because these methods are not commonly used for transmitting data in an EFIS.

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Mechanical movements

Hydraulic pressure changes

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