5.1. QUALITY CONCEPTS
Ensuring that the final software is of high quality is one of the prime concerns of a project manager. But how is software quality defined? The concept of software quality is not easily definable because software has many possible quality characteristics.1 In practice, however, quality management often revolves around defects. Hence, we use delivered defect density—that is, the number of defects per unit size in the delivered software—as the definition of quality. This definition is currently the de facto industry standard.2 Using it signals that the aim of a software project is to deliver the software with as few defects as possible.
What is a defect? Again, there can be no precise definition of a defect that will be general ...
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