Managing software quality in an organization lecture 3


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Managing software quality in an organization lecture 3

  1. 1. Managing Software Quality in an Organization By Mr. Fazal Wahab
  2. 2. Quality Management System • QMS is used to describe a process, which ensures and demonstrates the quality of the products and services provided by the organization. • QMS is a set of procedures/processes, which as a whole form the basis for executing organization’s product/service delivery mechanisms. • QMS begins with a Vision and Mission Statement of the organization committing itself to quality.
  3. 3. Quality Management System Quality Pyramid
  4. 4. Quality Management System • Requirements for QMS as per ISO 9001-2000: – Needs to demonstrate its ability to consistently provide the product that meets customer and applicable regulatory requirements, and – Aims to enhance customer satisfaction through the effective application of the system, including processes for continual improvement of the system and the assurance of conformity to customer and applicable regulatory requirements.
  5. 5. Quality Management System • QMS emphasizes the need for the quality process to be actively managed to ensure that it continues to be effective and efficient. • Software Development organizations must keep constant review of practices and tools they use. • Employees are equally important as practices and tools. • Employees to be properly trained in usage of QMS.
  6. 6. Quality Management System • Training plays a very important role in quality related activities of an organization. • The QMS must ensure that the employees have the right skills to do their jobs in a professional way. • QMS must also ensure that employees understand their responsibilities. • Successful QMS gives great emphasis to early corrective action.
  7. 7. Quality Management System • Successful QMS include ways to analyze records and errors to determine their causes and make action plans to prevent errors by eliminating their causes (Root Cause Analysis) • QMS should be auditable. This means that – The development process must be well documented and – Quality records including measurements must be generated throughout the software development process. – Quality records: • Review record of Project Plan • Code review results • Test execution report
  8. 8. Quality Management System • ISO 9000:2000 requires that organization shall: – Identify the processes needed for the QMS and its application throughout the organization. – Determine the sequence and interaction of these processes. – Determine criteria and methods needed to ensure that both the operation and control of these processes are effective. – Ensure the availability of resources and information necessary to support the operation and monitoring of these processes. – Monitor, measure and analyze these processes, and – Implement actions necessary to achieve planned results and continual improvement of these processes.
  9. 9. Process Standardization • Needs for process standardization: – Process standardization helps to reduce the problems of training, review, and tool support. – With standard processes/procedures and methods, each project’s experiences can contribute to overall process improvement. – Process standards and definitions provide the basis for process and quality measurement. – Process definition takes time and effort to produce, it is impractical to produce new ones for each software development project.
  10. 10. Summary of QMS • A QMS is a set of procedures. • Procedures are at the heart of the QMS. • Procedures are the documents which tell staff how to follow a quality system, day to day, in their work. • The QMS is the complete work process, including policies, procedures, tools and resources, both human and technological.
  11. 11. Components of QMS