In flight simulation we often (too often) see people refer to a CDU or MCDU as an FMC, which remains completely inaccurate regardless of how many times people do this. We even have a few hardware developers in the flight sim world who do the same thing.   Of course there is no FMC in our Airbuses, and even if we did have one an FMC is actually black box found on Boeing aircraft and it only has cables coming in/out of it and is usually found in the avionics bay.   The Airbus h