M5v2 Flashcards
A two input OR Gate can be represented by what electrical circuit connection?
A parallel connection of two normally opened switch in series with the load
Fiber optics system is composed of the following:
Optical Transmitter, Optical Receiver, Fibre Optic Cables / Coupler
What are the two types of LED character display formats?
7 Segment, Dot Matrix
Brightness level of cockpit displays are automatically controlled by _
Light sensors to displays
What is the indication displayed in case of a computer failure in Airbus?
White line
What is the indication displayed in case of a computer failure in Boeing?
Screen turns dark
It is an order of instructions that tells how to process data.
Program
What is the part of the computer that calculations?
CPU
It consists of devices and components that are required to process binary data.
Hardware
Resolution of Digital to Analog Converters depends on
No. of bits
What is the maximum number of receivers ARINC 429 can supply?
20
It separates the data words of ARINC 429.
Gap
How does ARINC 429 transmit clock information?
Rz (return to zero)
If two cascaded inverters with an input HIGH, it will give an output
HIGH?
What is the software level that has no effect to pilots, passengers and aircraft?
Level E
How does Sawtooth Principle work on A/D converter?
it compares Input voltage with the sawtooth created by converter
ARINC 429 data bus works in what type of operation?
Simplex
What is the disadvantage in serial data transmission of ARINC 429?
Slow
What are the advantages of an analogue technology?
Processing of information is simple and sometimes cost effective
The indicators in the cockpit are assigned in two groups. What are these groups?
Flight Surveillance & Aircraft Surveillance
It is the part of the ElS that displays PFD and ND.
EFIS
What is the highest number in octal number system?
7
What is the highest number in hexadecimal number system?
9
It is the smallest amount of information possible.
Bit
What is the part of the computer that does the calculations?
CPU
It detects If the text transmission has a fault and checks the transmission
validity.
Parity check
What is the component of the EIS that displays weather data?
ND
. It indicates the look ahead information of the aircraft.
PFD
Computers that can perform several different tasks depending on operator inputs.
Interactive computers
It converts binary input information into an analogue output voltage.
OpAms
A software that can be changed normally without involvement of manufacturers.
Data Base
In logic gates, it has one or more input 1, the output is 1. The output is only O if all inputs are 0.
OR gate
It is a common word which is used to describe all kinds of programs.
Software
It is a machine that processes data by means of digital technologies.
Computer
It is required by a computer to perform calculations and store software and data.
Memory
It is a beat generator.
Clock
It is a drive found in the cockpit where the software is loaded from a diskette followed by start commands.
Airborne Data Loader
ARINC 629 is a high-Integrity, high rellability, multi user data bus communication system that uses what operation?
Half duplex