M5.4 Databus Cat B1 and 2

What does the term serial data transfer mean?

• Data is transferred via one line only, therefore the transfer is very fast.

• Data is transferred via one line only, therefore the transfer is slow.

• All bits of one word are transferred at the same time, therefore a lot of data can be transferred very quickly.

Which of the following statements is correct regarding ARINC 429?

• It is a digital data format. Information is transmitted in series.

• It is a digital data format. Information is transmitted in parallel.

• It is an analogue data format. Information is transmitted in parallel.

Which is correct about the ARINC 429 databus?

• It is designed for duplex operation, it works in both directions.

• It is designed for simplex operation, it works in one direction only.

• It always connects one data transmitter with only one data receiver.

What is the maximum number of receivers that can be connected to one ARINC 429 transmitter?

• 10

• 120

• 20

• 32

Select all the different transmittal speeds ARINC 429 has?

• 100 kBit/s

• 12-14 kBits/s

• 1 MBit/s

• 2MBit/s

• 1 GBit/s

What does the label of an ARINC 429 word indicate?

• The label indicates the content of the data word.

• The label determines which system gets this word.

• The label indicates the system the word came from.

Which ARINC 429 label is shown below?

• 261

• 152

• 241

• 162

What is the difference between Binary (BNR) and Binary coded Decimal (BCD) data?

• There is no difference.

• BCD words are longer.

• BCD words are for displays and BNR words are for further calculation.

What is the purpose of the SSM (Sign Status Matrix) in the ARINC 429 data format?

• To show the contents of a data word.

• To show the state of the transmitter and the sign of the information.

• To show the system that receives the data.

What does ARINC 629 support?

• A single-transmitter and bi-directional approach to digital data communications

• A multi-transmitter and bi-directional approach to digital data communications

• A multi-transmitter and uni-directional approach to digital data communications