2 Software in the Context of the System
Acronym
| AC | Advisory Circular |
| ARP | Aerospace Recommended Practice |
| DAL | development assurance level |
| EASIS | Electronic Architecture and System Engineering for Integrated Safety Systems |
| EUROCAE | European Organization for Civil Aviation Equipment |
| FAA | Federal Aviation Administration |
| PSSA | preliminary system safety assessment |
| RAM | random access memory |
| RBT | requirements-based test |
| ROM | read only memory |
| SAE | Society of Automotive Engineers |
| TCAS | traffic collision and avoidance system |
2.1 Overview of System Development
Before diving into the details of how to develop safety-critical software, it is important to understand the context of software in the overall system. Software operates in the context of a system, and ...
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