Difference between Quality Assurance and Quality Control

Quality Assurance (QA)

Quality Control (QC)

It is a procedure that focuses on providing assurance that quality requested will be achieved

It is a procedure that focuses on fulfilling the quality requested.

QA aims to prevent the defect

QC aims to identify and fix defects

It is a method to manage the quality- Verification

It is a method to verify the quality-Validation

It does not involve executing the program

It always involves executing a program

It's a Preventive technique

It's a Corrective technique

It's a Proactive measure

It's a Reactive measure

It is the procedure to create the deliverable product as per the business point of view.

It is the procedure to verify that deliverable product from the requirement

QA involves in all the software development life cycle

QC involves in only software testing life cycle

To Complete the customer requirement, QA defines standards and methodologies.

QC ensures that the standards are followed while working on the product.

It is performed before Quality Control

It is performed only after QA activity is done

It is a Low-Level Activity, it can identify an error and mistakes which QC cannot

It is a High-Level Activity, it can identify an error that QA cannot

Its main motive is to prevent defects in the system. It is less time-consuming activity

Its main motive is to identify defects or bugs in the system. It is more time-consuming activity

QA ensures that everything is executed in the right way, and that is why it falls under verification activity

QC ensures that whatever we have done is as per the requirement, and that is why it falls under validation activity

It requires involvement of the whole team

It requires involvement of Testing team