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Quality Assurance in Context

Quality Assurance in Context. Defect Handling and Related activities. Defect resolution Defect logging Defect tracking Consistent defect interpretation and tracking Timely defect reporting. QA Activities in Software Processes. Software maintenanc e Defect handling

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Quality Assurance in Context

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  1. Quality Assurance in Context

  2. Defect Handling and Related activities Defect resolution • Defect logging • Defect tracking • Consistent defect interpretation and tracking • Timely defect reporting

  3. QA Activities in Software Processes Software maintenance • Defect handling = problems are logged, analyzed and resolved = complete tracking record kept Post-release • Defect containment Software development • Defect prevention • Defect reduction

  4. QA in the waterfall model Where are the error sources? • conceptual mistakes by designers and programmers • unfamiliarity with the product domain • inexperience with the specific development methodologies, etc. What can be done? • defect prevention How? • Error source removal or • Error blocking

  5. QA Activities in the Waterfall Process

  6. Summary – basis for review • Definitions of Quality • Dimensions of Product Quality • Dimensions of Service Quality • Spheres of Quality (Quality Control, Quality Assurance, Quality Management) • Software Quality • Expectations on Software Quality • Quality Framework • Correctness and Defects (error, fault, failure) • Defect prevention, detection and removal, defect containment

  7. Summary - basis for review 7. Defect Classifications • Defect Prevention (Education & Training, Formal Methods, other methods) • Defect Reduction (Inspection &Testing) • Defect Containment (Fault Tolerance & Safety Assurance & Fault Containment) 8. Quality Assurance in context (today’s lesson)

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