DGCA & EASA Module 5 : Digital techniques & Electronic Instrument Systems Questions
DGCA & EASA Module 5 : Digital techniques & Electronic Instrument Systems Questions-Answers How is ARINC 429 bi-directional data transfer achieved? a) Via a twisted pair of shielded cables Ans b) Using two data buses c)Via a current mode coupler * A basic computer would consist of a)register section, ALU and timing and control section Ans b) memory, input/output ports and CPU c) RAM/ROM and input/output ports * A B S 0 0 0 0 1 1 1 0 1 1 1 0 This is the truth table for a Ans a) E-OR b) NOT c)NAND * Where is the rising runway? Ans a) EADI b) EFIS c)CRTs in the passenger cabin What is ILS marker frequency? Ans a) 75 Mhz b) 100 Mhz c) 125 Mhz * On an external power socket the two short pins are a) for the AC interlock circuit Ans b) to prevent arcing when inserting and extracting the socket c) used to act as a guide * Flat plate antenna is Ans a) series of waveguides with