Difference Between Quality Assurance And Quality Control (QA Vs QC)

What is Quality?

Quality is meeting customer requirements, expectations and requirements and is free from defects, shortages and substantial variations. Standards need to be followed to meet customer requirements.

What is Assurance?

Assurance is provided by organization management, this means giving a positive announcement on a product that gains confidence for the result. This gives a security that the product will work without any glitches as per expectations or requests.

What is Quality Assurance?

Quality assurance is known as quality assurancr (QA) and focuses on preventing defects. Quality assurance ensures that approaches, techniques, methods and processes are implemented correctly for projects.
Quality assurance activities see and verify that the procedures used to manage and build deliverables have been followed and are operative.
Quality assurance is an active process and prevention in nature. It recognizes the drawbacks of the process. Quality assurance has to be completed before quality control (QC).

What is Control?

The control is to test or verify the actual results by comparing them with the defined standards.

What is Quality Control?

Quality control is known as Quality control(QC) and focuses on identifying a defect. QC ensures that the approaches, techniques, methods and processes formulated in the project are following correctly. QC activities monitor and verify that project deliverables meet the defined quality standards.

Quality control is a reactive process and detection in nature. It recognizes defects. Quality control has to be completed after the quality assurance.

What is The Difference in QA/QC?

Many people think that QA and QC are the same and interchangeable but this is not true. The two are tightly connected and sometimes differences are very difficult to identify. The facts are both related to each other but they differ in origin. Both QA and QC are part of quality management although QA is focusing on preventing defects while QC is focusing on identifying defects.

QA vs QC

Here is the exact difference between Quality Control and Quality Assurance that one needs to know:

Quality Assurance

It is a process that considers providing assurance that a quality request will be received. 

A QA objective is to prevent defects.

QA is a technique of quality management. 

QA does not include executing the program. 

All team members are responsible for QA.

QA Example: Verification 

QA means a plan to perform a process. 

The statistical technique used on QA is known as statistical process control (SPC).

QA ensures that you are doing the right things. 

QA defines standards and methodology to meet customer needs.

 QA is the process of creating deliverables. 

QA is responsible for the complete software development life cycle. 

Quality Control

QC is a process that considers meeting the quality request.

A QC objective is to identify defects and improve them.

QC is a method of verifying quality.

QC always involves executing the program.

The test team is responsible for QC

QC Example: Verification.

QC ensures that the results of what you have done are exactly what you expected.

The statistical technique used on QC is known as statistical quality control (SPC).

QC means action to execute the planned process.

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

QC is the process of verifying that deliverables.

The QC software is responsible for the test life cycle.