Quality Assurance :

- It is a Assurance activity,emphasizing on the standards and procedures to be followed while developing an application

- It is a Preventive action taken before hand to ensure the product that developed are defect free

- It is a systematic actions necessary to provide enough confidence that a product or service will satisfy the given requirements for quality.

Quality Control

- It is a Corrective action

- Inspection if the developed application follows the standards and procedures by using the checklists.