Avionics refers to the electronic systems used on aircraft and spacecraft for communication, navigation, flight control, monitoring, and mission management. These systems are safety-critical and must meet stringent real-time, reliability, and certification standards such as DO-178C and DO-254. Avionics is a canonical domain for hard real-time computing, where deterministic timing and fault tolerance are essential to flight safety.
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- Modern avionics use integrated modular architectures with partitioned real-time operating systems to isolate functions of differing criticality. Rigorous verification, redundancy, and certification regimes ensure that flight-control, navigation, and monitoring subsystems meet their timing and reliability guarantees.