How can we ensure software quality?

How can we ensure software quality?

Software quality is ensured by verification and validation

Verification:

• Are we building the project right?
• It is concerned with Phase containment of errors

Validation:

• Are we building the right product?
• It is concerned with the final product being error-free

	Verification	Validation
QA/QC	Quality Assurance (QA)	Quality Control (QC)
Time	Before and during software development	After the majority of software development work has been done
Method	Review, Analysis, Inspection, Walkthrough	Black-box testing