Introduction to Quality Assurance and Software Testing QA与软件测试简介概要1.pptVIP

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Introduction to Quality Assurance and Software Testing QA与软件测试简介概要1.ppt

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Introduction to Quality Assurance and Software Testing QA与软件测试简介概要1

Achieving quality The Business Value of Software Quality__reading material 2 Defining quality Does it meet stakeholder requirements? Is it usable? Secure? Scalable? Reliable? Easily maintained? Easily extended? Simple to monitor? Juran’s definition: “fitness for use” a product is not high quality unless it adds value for both the consumer and the manufacturer. The Business Value of Software Quality__reading material 2 Quality enables responsiveness and innovation Quality systems are what enable businesses to react, adapt, deploy new solutions quickly, and maintain a competitive edge. Quality is a differentiator High-quality internal systems, internal human resources, financial, and customer relationship management systems, can be a business differentiator. The Business Value of Software Quality__reading material 2 Quality is free software defects cost the U.S. economy almost $60 billion annually. about 80 percent of development funds are consumed by software developers identifying and correcting defects. canceled software development projects cost organizations US$55 billion dollars annually The Business Value of Software Quality__reading material 2 Poor software quality and poor software development processes are a major drain on business profitability. Why? Ideally, a software development organization would have these characteristics: A well-defined process with unanimous buy-in from team members. Team members who focus attention on value-added features, detail, and quality across the lifecycle. Managers who constantly evaluate end-user feedback to ensure reinvigoration of the product line and satisfied, repeat customers. Achieving quality Driving quality from the top down Achieving quality with the right process and platform Analysis Design Development Testing Deployment Achieving quality Analysis quality starts with analyzing the business to ensure that system requirements clearly and accurately reflect business and customer needs. Design In design,