The term “quality assurance” (or simply QA) often is equated to “testing”. Actually, testing is only one of methods of quality assurance. Often it’s called “quality measurement tool”. In most cases testing prevents delivery of product errors to end customer. If properly used, testing should prevent the appearance of these errors itself, by analysis of error causes (from requirements to human element) and following elimination of it. This article shows how product quality, particularly defects, influences the end result. The end result is a satisfaction of customer.

Tags: Testing

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