Quality Assurance vs Quality Control
Software quality assurance is (also known as QA) a sequence of tasks to prevent defects and ensure that the techniques, methods, approaches, and processes are designed for a specific application must be implemented correctly. This is an ongoing process within the development of a software system.
The development of units of an application is checked under the quality assurance specifications in the sequence of their development.
Quality assurance test ensures the development of high-quality software because of its main focus on the high-quality processes, good quality management system and periodic conformance audit during the development of software. It is a managerial tool includes planned and systematic activities and documentation to prevent problems related to quality.
The responsibility of quality assurance is not of any specific team, but it is a responsibility of each member of the development team.
Quality Control also known as QC is a sequence of tasks to ensure the quality of software by identifying defects and correction of defects in the developed software. It is a reactive process, and the main purpose of this process is to correct all types of defects before releasing the software. The process is done by eliminating sources of problems (which cause to low the quality) through the corrective tools so that software can meet customer's requirements and high quality.
The responsibility of quality control is of a specific team which is known as a testing team that tests the defects of software by validation and corrective tools.
Difference between Quality Assurance and Quality Control