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How are Data bus in avionics architecture broadly divided into?(a) High speed and low speed data bus(b) AIRNIC and MIL standard data bus(c) Electrical and Optical data bus(d) Main and interconnecting data busI got this question in a job interview.This is a very interesting question from Data Bus Systems topic in chapter Avionics System Integration of Avionics

Answer»

Correct option is (c) Electrical and Optical DATA bus

To explain I would say: Data bus systems are the ESSENTIAL enabling technologies of avionic systems integration in both federated and integrated modular avionics architectures. They can be broadly divided into electrical data bus systems where the data are transmitted as electrical PULSES by WIRES, and optical data bus systems where the data are transmitted as LIGHT pulses by optical fibres.



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