It is the process of analyzing any given piece of software to determine if it meets shareholders’ needs as well as detecting defects, and ascertaining the item’s overall quality by measuring its performance, features, quality, utility, and completeness. Bottom line, it’s quality control.

Quality control is the process of running a program to determine if it has any defects, as well as making sure that the software meets all of the requirements put forth by the stakeholders. Quality assurance is a process-oriented approach that focuses on making sure that the methods, techniques, and processes used to create quality deliverables are applied correctly.