Quality Engineering
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Quality assurance (QA) refers to the systematic activities implemented in a quality system so that quality requirements for a product or service will be fulfilled. It is the systematic measurement, comparison with a standard, monitoring of processes and an associated feedback loop that confers error prevention. This can be contrasted with quality control, which is focused on process outputs. Two principles included in QA are: Fit for purpose, the product should be suitable for the intended purpose; and Right first time, mistakes should be eliminated. QA includes management of the Quality (business)|quality of raw materials, assemblies, products and components, services related to production, and management, production and inspection processes. Suitable quality is determined by product users, clients or customers, not by society in general. It is not related to cost and adjectives or descriptors such high and poor are not applicable. For example, a low priced product may be viewed as...
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