Software Quality ManagementUnit – IV

Roy Antony Arnold GRoy Antony Arnold GAsst. Prof. / CSE

• ISO Defines Quality Management System as:–– The organizational structure, The organizational structure, responsibilities, procedures, processes andresponsibilities, procedures, processes andresponsibilities, procedures, processes and responsibilities, procedures, processes and resources for implementing quality resources for implementing quality managementmanagementmanagement.management.

(ISO 8042 (ISO 8042 –– 1986)1986)• An essential part of any QMS is a 

.• A comprehensive QMS should include quality assurance and quality improvement functionsassurance and quality improvement functions.

• The ISO definition of a QMS lists five components:

• Organizational Structuremust seek to assign responsibility f lifor quality.

• Each employee is responsible for quality.– Also it is a two‐way communication– Quality work of an employee should be encouraged.

• The following are the some of the procedures required by a QMS: Design Control, Process Control, Corrective Action, Protection of Quality Training etcProtection of Quality, Training, etc. 

• It is necessary to measure the processes to analyse the current performancecurrent performance.

• The resources (tools) are essential part of QMS to maintain the quality.the quality.

• Quality and customer focus go hand inhand – you can’t have one without theother.

• The problems of software are not unique.• User requirements are often highlighted as• User requirements are often highlighted asthe worst problem area.M t f ti th t bl t t ll• Most of time the customer unable to tellwhat he really need.

• In the other side, the analyst doesn’tunderstand what the customer really need.y

• It is suggested that there are four principal t t QMS f S/W d l taspects to a QMS for S/W development:

1. Development Procedures : This includes the use ofdesign and development methodologies and toolsdesign and development methodologies and tools,testing and associated staff training.

2. Quality Control : This includes many activities forthe monitoring of quality during development, e.g.Planning, progress meetings, change control etc.

3 Quality Improvement : This includes all activities3. Quality Improvement : This includes all activitiesaimed at establishing a human quality cultureamongst the staff (Quality Culture).

4. Quality Assurance : Where a quality system is inplace, QA becomes the monitoring of the systemitself to ensure that it is being carried out correctly.itself to ensure that it is being carried out correctly.

Activity Intended role in establishing a quality culture

Quality Training Provide all levels of organization with appropriate knowledge with respect to qualityrespect to quality.

Quality Circles To provide a forum to discuss problemsproblems.

Quality Improvement Teams

To bring together specific expertise to tackle particular problems.Teams to tackle particular problems.