CAAS SAR-66 Module 5 Digital Techniques Practice Questions - CAAS SAR-66 Module 5 Digital Techniques Electronic Instrument Systems Exam

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In a modern Electronic Flight Instrument System (EFIS) architecture, what is the primary function of the Symbol Generator (SG) or Display Electronic Unit (DEU)?

Receives analog and digital sensor inputs, processes graphics algorithms, and drives display raster and stroke signals Directly measures pitot-static pressure to generate analog airspeed voltages Supplies 115 V AC 400 Hz electrical power to the cockpit display CRTs Stores long-term flight history logs for engine maintenance diagnostics

Correct Answer:

Receives analog and digital sensor inputs, processes graphics algorithms, and drives display raster and stroke signals

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