Quality assurance and quality control are essential components of every company that produces software applications. Quality assurance (QA) or quality control (QC) engineers are the resources that maintain the quality level of a company and its products. The industry term for this is QA/QC engineer. Quality control and quality engineering are involved in developing systems to ensure products or services are designed and produced to meet or exceed customer requirements and expectations. These systems are often developed in conjunction with other business and engineering disciplines using what is called a cross-functional approach. QA/QC engineers also test software to ensure total functionality meets ranging requirements of possible user demands placed on it.
Quality Assurance covers all of these activities; design, development, production, installation, servicing and documentation. The motto is: “fit for purpose” and “do it right the first time”. One of the most widely used paradigms for QA management is the Plan-Do-Check-Act (PDCA) approach.
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