Quality means consistently meeting customer need of requirement, cost, Delivery schedule and services
Increase in quality can lead to the increase in productivity. Repair, Rework and complains are key factors that affects on productivity.
Software Quality Assurance :-
Monitoring and measuring the strength of development process.
Software Quality Control :-
The validation of final product before release to customer
| Quality Assurance | Quality Control |
| Attempts defect prevention by concentrating on process | Attempts to test a product after it is built |
| it is process oriented | It is product oriented |
| Quality assurance involves checking the process. | Quality control involves quality control |
| here we find the weakness and deficiencies and send it to process | here we Correct the weakness and deficiencies in product and suggestion to the process |
| it is a defect prevention oriented activity | it is a defect detection and correction oriented activity |
| Example:- Review and audit | Example :- software testing at various levels |