ZFT,
"700 Series ARINC Characteristics define digital systems and equipment installed on current-model production aircraft. They include definitions of form, fit, function, and interface for line replaceable units (LRUs) in a federated architecture."
I was answering the post, and it got blended a bit...739 is the MCDU protocol standard.
here is the complete ARINC list....
ARINC 700 Series
For the most part, if you are looking at the operating system language, I know the standard for most is C++, especially for Airbus. Boeing still has some VxWorks hanging around, but the FMS that I have worked with, Honeywell, Smiths, and Thales all use C++.
ARINC protocols are the 'standard' for input output and the programming format for the navdatabase.