quality management system
               QUALITY CONTROL                            Vs                  QUALITY ASSURANCE
What is Quality?

Quality is meeting the requirement, expectation and needs of the customer being free from defects, lacks and substantial variants. There are standards needs to follow to satisfy the customer requirements.

What is Assurance? 

Assurance is provided by organization management, it means giving a positive declaration on a product which obtains confidence for the outcome. It gives a security that the product will work without any glitches as per the expectations or requests.


What is Quality Control? 

Quality Control is known as QC and focuses on identifying defects. QC ensures that the approaches, techniques, methods and processes are designed in the project are following correctly. QC activities monitor and verify that the project deliverable s meet the defined quality standards.

Quality Control is a reactive process and is detection in nature.. It recognizes the defects. Quality Control has to complete after Quality Assurance.


What is Quality Assurance? 

Quality Assurance is known as QA and focuses on preventing defect. Quality Assurance ensures that the approaches, techniques, methods and processes are designed for the projects are implemented correctly. Quality assurance activities monitor and verify that the processes used to manage and create the deliverable s have been followed and are operative.

Quality Assurance is a proactive process and is Prevention in nature. It recognizes flaws in the process. Quality Assurance has to complete before Quality Control.


QC is a process which deliberates on fulfilling the quality request. It is a process which deliberate on providing assurance that quality request will be achieved.
A QC aim is to identify and improve the defects. A QA aim is to prevent the defect.
QC is method to verify the quality. QA is the technique of managing the quality.
QC always involves executing the program. QA does not involve executing the program.
Testing team is responsible for QC. All team members are responsible for QA
QC e.g. Validation. QA e.g. Verification. 


QC Means Action for executing the planned process. QA means Planning for doing a process.
Statistical Technique used on QC is known as Statistical Quality Control (SQC.) Statistical Technique used on QA is known as Statistical Process Control (SPC.)
QC makes sure the results of what you’ve done are what you expected. QA makes sure you are doing the right things.
QC ensures that the standards are followed while working on the product. QA Defines standards and methodologies to followed in order to meet the customer requirements.
QC is the process to verify that deliverables. QA is the process to create the deliverables.
QA is failure prevention system QC is failure detection system. 


QC vs QA

quality management






Difference between quality assurance and quality control

Many people think QA and QC are same and interchangeable but this is not true. Both are tightly linked and sometimes it is very difficult to identify the differences. Fact is both are related to each other but they are different in origins. QA and QC both are part of Quality Management however QA is focusing on preventing defect while QC is focusing on identifying the defect. As well as what is more it has mentioned as above table.


quality management system



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