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Software Quality Assurance Due today: Homework #4 Next Class:Pressman 9; Detailed Design Document I Questions? / Team Status Reports Predictwallstreet.com’s.

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Presentation on theme: "Software Quality Assurance Due today: Homework #4 Next Class:Pressman 9; Detailed Design Document I Questions? / Team Status Reports Predictwallstreet.com’s."— Presentation transcript:

1 Software Quality Assurance Due today: Homework #4 Next Class:Pressman 9; Detailed Design Document I Questions? / Team Status Reports Predictwallstreet.com’s architecture Basic Quality Principles Bio Break ( 5 minutes ) Quality Techniques in the Real-World

2 Architecture Design Issues Modularity –Cohesion –Coupling (IBM’s 4* Modules) Flexibility Scalability Reliability Performance Capability

3 Basic Architectural Styles Data-centered Data Flow Call and Return Object Oriented Layered Architecture

4 PredictWallStreet.com’s Architecture What type of architecture would you use for PredictWallStreet.com? Why? Which of these design issues are important? –Modularity –Scalability –Reliability –Performance –Usability –Performance Why?

5 Basic Principles of SQA Cost of Quality Prevention vs. Cure Statistical Process Control (SPC) Quality Standards (ISO 9000, MBNQA) Quality Metrics Assessment-Improvement Cycle Continuous Improvement

6 Quality Standards (in the real world) ISO 9001, 9002 QS-9000 Malcolm Baldrige National Quality Award

7 Quality Metrics (in the real world) Defects/KLoc MTBF –MTBF=MTTF+MTTR Availability –Availability= [MTTF/(MTTF+MTTR)]X 100%

8 Assessment / Continuous Improvement Periodic Assessments v. Final Assessments Costs of each approach? Benefits of each approach?

9 Assessment of this Class On a blank piece of paper, please do the following (anonymously): 1.Describe at least one area where Craig is doing well? 2.Describe at least one area where Craig could improve ? 3.Rate Craig’s overall performance on a 1-5 scale (1=poor, 5= excellent). 4.Rate your overall satisfaction with the course on a 1-5 scale (1=very dissatisfied, 5= very satisfied).


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