Quality Assurance | Quality Control

Welcome to Software Quality Assurance | Quality Control / Quality Assurance

Differences between Software Quality Assurance (SQA) and Software Quality Control (SQC) listed here are meant to discourage people from wrongfully using the term Quality Assurance (QA) and Quality Control (QC) interchangeably.


Criteria Software Quality Assurance (SQA)
Software Quality Control (SQC)
Definition SQA is a set of activities for ensuring quality in software engineering processes (that ultimately result in quality in software products). The activities establish and evaluate the processes that produce products. SQC is a set of activities for ensuring quality in software products. The activities focus on identifying defects in the actual products produced.
Focus Process focused Product focused
Orientation Prevention oriented Detection oriented
Breadth Organization wide Product/project specific
Scope Relates to all products that will ever be created by a process Relates to specific product
  • Process Definition and Implementation
  • Audits
  • Training
  • Reviews
  • Testing

Make sure that you are very clear on QA vs QC. Read further: