What is Quality Management, Quality Control & Quality Assurance ?

Quality Management: Responsible choosing the correct process to ensure that the product is ‘fit for purpose’.

• A predictable degree of uniformity and dependability at low cost and
• suited to the market (Dr. Edward Deming).
• Degree to which a set of inherit character tics fulfills the requirements
• (ISO-9000)
• Meeting the customer requirements first time and every time which is fit
• for use to its intended functions with reasonable cost and within in time.
• Quality must be measurable and should predictable.
• Quality must be well defined and should be quantified
• Quality objective should be achievable and traceable.
• Quality is Value , Value = Utility (Fit for Purpose) + Warranty (Fit for Use)
• Utility = What customer wants / Warranty = How it is delivered.
• ISO9126 – Quality Standard ( The standard is divided into four parts : Quality model , Internal metrics, External metrics , Quality in use metrics)

Quality Control : “ is the activity performed to ensue that a Product is ‘fit for Purpose’ “.

1. Concentrates on specific products.
2. Defect – detection and correction oriented.
3. Usually done after the product is built.
4. This is usually a line function.
5. Examples : Software testing at various levels.

Quality Assurance: “is the activity performed to test the process is being followed”
1. Concentrates on the process of producing the products
2. Defect – prevention oriented
3. Usually done throughout the life cycle.
4. This is usually a staff function.
5. Examples : Reviews and Audits