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Quality engineering is the discipline of engineering concerned with the principles and practice of product and service quality assurance and control. [1] In software development, it is the management, development, operation and maintenance of IT systems and enterprise architectures with high quality standard.
Within systems engineering, quality attributes are realized non-functional requirements used to evaluate the performance of a system. These are sometimes named architecture characteristics, or "ilities" after the suffix many of the words share.
The quality profession grew from simple control to engineering, to systems engineering. Quality control activities were predominant in the 1940s, 1950s, and 1960s. The 1970s were an era of quality engineering and the 1990s saw quality systems as an emerging field.
Quality management uses quality assurance and control of processes as well as products to achieve more consistent quality. What a customer wants and is willing to pay for it determines quality. It is a written or unwritten commitment to a known or unknown consumer in the market.
Some see continual improvement processes as a meta-process for most management systems (such as business process management, quality management, project management, and program management). [3] W. Edwards Deming , a pioneer of the field, saw it as part of the 'system' whereby feedback from the process and customer were evaluated against ...
Quality control (QC) is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "a part of quality management focused on fulfilling quality requirements".
The quality control team tests and reviews software at its various stages to ensure quality assurance processes and standards at both the organizational and project level are being followed. [1] [2] (Some like Sommerville link these responsibilities to quality assurance rather than call it quality control. [3]) These checks are optimally ...
Quality assurance (QA) is the term used in both manufacturing and service industries to describe the systematic efforts taken to assure that the product(s) delivered ...