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The degree to which a component or system provides functions that meet stated and implied needs when used under specified conditions.

The absence of unreasonable risk due to hazards caused by malfunctioning behavior of Electric/Electronic(E/E) – Systems.

The degree to which the set of functions covers all the specified tasks and user objectives.

The degree to which the functions facilitate the accomplishment of specified tasks and objectives.

The capability of the software product to maintain a specified level of Performance in cases of software faults (defects) or of infringement of its specified interface. [ISO9126] See also reliability, robustness.

The process of intentionally adding defects to those already in the component or system for the purpose of monitoring the rate of detection and removal, and estimating the number of remaining defects. fault seeding is typically part of development (pre-release) Testing and can be performed at any test level (component, integration, or system). [After IEEE… Leer más »fault seeding

The process of intentionally adding defects to a system for the purpose of finding out whether the system can detect, and possibly recover from, a Defect. fault injection intended to mimic failures that might occur in the field. See also fault tolerance.

(1) The capability of the software product to provide appropriate Performance, relative to the amount of resources used under stated conditions. [ISO 9126] (2) The capability of a process to produce the intended outcome, relative to the amount of resources used

The capability of producing an intended result. See also efficiency.

The process of evaluating behavior, e.g. Memory Performance, CPU usage, of a system or component during execution. [After IEEE 610]