Software quality management
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Do You want to increase your software quality ? Are you facing problems during the improve the quality of software within organization then you are at right place Quality, simplistically, means that a product should meet its specification. •This is problematical for software systems –There is a tension between customer quality requirements (efficiency, reliability, etc.) and developer quality requirements (maintainability, reusability, etc.); –Some quality requirements are difficult to specify in an unambiguous way; –Software specifications are usually incomplete and often inconsistent. Published By https://www.umairghufran.com https://www.rankgrain.com
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Software quality management
- 2. Agenda •To introduce the quality management process and key quality management activities •Process and product quality •Quality assurance and standards •Quality planning •Quality control
- 3. What is Quality ? •Quality, simplistically, means that a product should meet its specification. •This is problematical for software systems –There is a tension between customer quality requirements (efficiency, reliability, etc.) and developer quality requirements (maintainability, reusability, etc.); –Some quality requirements are difficult to specify in an unambiguous way; –Software specifications are usually incomplete and often inconsistent.
- 4. Quality
- 5. DEFINING QUALITY •Perfection •Consistency •Eliminating waste •Speed of delivery •Compliance with policies & procedures •Providing good, usable products •Doing it right the first time •Delighting or pleasing customers •Total customer service & satisfaction
- 7. Scope of quality management •Quality management is particularly important for large, complex systems. The quality documentation is a record of progress and supports continuity of development as the development team changes. •For smaller systems, quality management needs less documentation and should focus on establishing a quality culture.
- 8. Quality management activities •Quality assurance –Establish organisational procedures and standards for quality. •Quality planning –Select applicable procedures and standards for a particular project and modify these as required. •Quality control –Ensure that procedures and standards are followed by the software development team.
- 9. What is Quality Assurance “All planned & systematic activities implemented within quality system, & demonstrated as needed, to provide adequate confidence that an entity will fulfill requirements for quality”.
- 11. “ It is quality rather than quantity that matters” ~Lucius Annaeus Seneca
- 12. PRINCIPAL QUALITY DIMENSIONS •Performance: •a product’s primary operating characteristics. Example: A car’s acceleration, braking distance, steering and handling
- 13. PRINCIPAL QUALITY DIMENSIONS •Features: •the “bells and whistles” of a product. A car may have power options, a tape or CD deck, antilock brakes, and reclining seats
- 14. PRINCIPAL QUALITY DIMENSIONS Reliability: •the probability of a product’s surviving over a specified period of time under stated conditions of use. A car’s ability to start on cold days and frequency of failures are reliability factors
- 15. PRINCIPAL QUALITY DIMENSIONS •Conformance: •the degree to which physical and performance characteristics of a product match pre-established standards. •car’s fit/finish, freedom from noises can reflect this.
- 16. PRINCIPAL QUALITY DIMENSIONS •Durability: •the amount of use one gets from a product before it physically deteriorates or until replacement is preferable. •For car - corrosion resistance & long wear of upholstery fabric
- 17. PRINCIPAL QUALITY DIMENSIONS •Serviceability: •speed, courtesy, competence of repair work. •auto owner -access to spare parts.
- 18. PRINCIPAL QUALITY DIMENSIONS •Aesthetics: • how a product looks, feels, sounds, tastes, or smells. •car’s color, instrument panel design and “feel of road” – •make aesthetically pleasing
- 19. PRINCIPA L QUALITY DIMENSIO NS •Perceived Quality: •Subjective assessment of quality resulting from image, advertising, or brand names. •car, - shaped by magazine reviews-manufacturers’ brochures
- 20. COMPETITIVE ADVANTAGE •Denotes firm’s ability to achieve market superiority •Driven by customer needs & wants •Provides value to customers that competitors do not •Makes significant contribution to business success •Allows a firm to use its resources effectively
- 21. COMPETITIVE ADVANTAGE •Durability & dependability – difficult for others to copy •Provides basis for further improvement •Provides direction & motivation to the organization
- 22. CUSTOMER-DRIVEN QUALITY IN THE 1980s •Quality was defined as… “ The totality of features and characteristics of a product or service that bears on its ability to satisfy given needs ”
- 23. CUSTOMER-DRIVEN QUALITY IN THE 1980s •A simpler, more powerful definition came up…. • “ Quality is meeting or exceeding customer expectations ”
- 25. Change of The Name of Quality Activities •QC : Quality Control At the beginning of 1910-20s •SQC : Statistical Quality Control At the beginning of 1950s •TQC : Total Quality Control At the beginning of 1960s •TQM : Total Quality Management In the middle of 1960s in Japan 1980s in NA 1990s in Pakistan
- 26. WHAT GOOD CAN QUALITY DO ? •Provides competitive advantage •Reduces costs •Lesser returns, rework & scrap •Increases productivity & profits •Generates satisfied customers •“ No Quality, no sales. No sales, no profit. No profits, no jobs.”
- 27. Total Quality Total Quality means quality of work, quality of service, quality of information, quality process, quality of organization, quality of people, quality of company and quality of objectives.