Digital Systems Validation Handbook. Volume 2
COMPUTER RESOURCE MANAGEMENT INC PLEASANTVILLE NJ
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When digital technology is employed to perform some function aboard aircraft, the designer documents the technology and the applicant presents a package to the Certification Engineer CE. Typically, the package might include design and test specifications, test plans, and test results for the system. This package assures the CE that the designer has properly developed and validated the system. Software Quality Metrics SQM may be used during the software SW development and testing. SQM technology attempts to quantify various quality-oriented factors, such as reliability and maintainability. The SW developer determines the quality factors that are important to the application. SW Metrics that correlate to these factors are used on the code to determine to what extent these factors have been reached. Based on the results, the developer determines whether the SW meets the requirements set for it and how well the SW will perform. This technical report documents the results of a study conducted to analyze SQM as they apply to the code contained in avionic equipment and systems. This report is intended to provide an in depth explanation of how SQM may be applied and interpreted. Software quality metrics, Software complexity metrics, Program level, Analysis, Data structure, Effectiveness metric, Structural complexity.
- Computer Programming and Software