In aviation, a black box is a heavily protected recording device used to investigate accidents.
: It actually consists of two separate units: the Flight Data Recorder (FDR) , which tracks parameters like airspeed and altitude, and the Cockpit Voice Recorder (CVR) , which records conversations and ambient sounds. black box
In computing, a "black box" refers to any system where the internal logic is opaque. In aviation, a black box is a heavily