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1 
Difference between QA and QC 
Yogita J. Patil 
Sr. Software Test Engineer
2
Quality 
3 
Quality is an important factor when it comes to 
any product or service. 
Therefore, all manufacturers and ser...
Quality 
4 
In order to maintain or enhance the quality of 
the offerings, manufacturers use two 
techniques, Quality Cont...
Are QA and QC same terms? 
5 
Big No, This both the terms are Effectively 
different. 
Most of the time we use both terms ...
Are QA and QC same terms? 
7 
Let's differentiate according to below points: 
 Definition 
 Focus on 
 Goal 
 How to A...
Definition of Quality Assurance 
Quality Assurance is process oriented 
and focuses on defect prevention. 
Quality Assuran...
Definition of Quality Control 
Quality Control is product oriented and 
focuses on defect identification. 
Quality Control...
Quality Assurance focuses on 
Quality Assurance aims to prevent defects with a focus 
on the process used to make the prod...
Quality Control focuses on 
Quality Control aims to identify and correct 
defects in the finished product. 
It is a reacti...
Goal of Quality Assurance 
The goal of Quality Assurance is to improve 
development and test processes so that defects 
do...
Goal of Quality Control 
The goal of Quality Control is to identify 
defects after a product is developed and 
before it's...
To Achieve QA goals 
Establish a good quality management 
system and the assessment of its 
adequacy. 
Periodic conformanc...
To Achieve QC goals 
Finding & eliminating sources of quality 
problems through tools & equipment so that 
customer's requ...
Paper Plane: Fundae Session - Contextual 19 Oct 2011 
Inquiry 
20
QA - Example 
21 
Example: 
 A QA audit 
 Process documentation 
 Establishing standards 
 Developing checklists 
 Co...
QC - Example 
Paper Plane: Fundae Session - Contextual 19 Oct 2011 
Inquiry 
22 
Example: 
 A QC review 
 Performing ins...
Responsible for QA 
Everyone on the team involved in 
developing the product is responsible for 
Quality Assurance.
Responsible for QC 
Quality Control is usually the 
responsibility of a specific team that 
tests the product for defects.
26
QA and QC 
27 
Working Together 
QC detected a recurrent problem with the quality 
of the products. QC provides feedback t...
Quality Assurance Vs Quality Control
Quality Assurance Vs Quality Control
Quality Assurance Vs Quality Control
Quality Assurance Vs Quality Control
Quality Assurance Vs Quality Control
Quality Assurance Vs Quality Control
Quality Assurance Vs Quality Control
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Quality Assurance Vs Quality Control

This PPT is for those who confuse between QA and QC.
Also For those who want to improve products Quality.

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Quality Assurance Vs Quality Control

  1. 1. 1 Difference between QA and QC Yogita J. Patil Sr. Software Test Engineer
  2. 2. 2
  3. 3. Quality 3 Quality is an important factor when it comes to any product or service. Therefore, all manufacturers and service providers out there constantly look for enhancing their product or the service quality.
  4. 4. Quality 4 In order to maintain or enhance the quality of the offerings, manufacturers use two techniques, Quality Control and Quality Assurance. These two practices make sure that the end product or the service meets the quality requirements and standards defined for the product or the service.
  5. 5. Are QA and QC same terms? 5 Big No, This both the terms are Effectively different. Most of the time we use both terms randomly, hence to study and understand the difference between them is important.
  6. 6. Are QA and QC same terms? 7 Let's differentiate according to below points:  Definition  Focus on  Goal  How to Achieve  Example  Responsibility
  7. 7. Definition of Quality Assurance Quality Assurance is process oriented and focuses on defect prevention. Quality Assurance is a set of activities for ensuring quality in the processes by which products are developed.
  8. 8. Definition of Quality Control Quality Control is product oriented and focuses on defect identification. Quality Control is a set of activities for ensuring quality in products. The activities focus on identifying defects in the actual products produced.
  9. 9. Quality Assurance focuses on Quality Assurance aims to prevent defects with a focus on the process used to make the product. It is a proactive quality process. It identifies weakness in processes to improve them.
  10. 10. Quality Control focuses on Quality Control aims to identify and correct defects in the finished product. It is a reactive process.
  11. 11. Goal of Quality Assurance The goal of Quality Assurance is to improve development and test processes so that defects do not arise when the product is being developed.
  12. 12. Goal of Quality Control The goal of Quality Control is to identify defects after a product is developed and before it's released.
  13. 13. To Achieve QA goals Establish a good quality management system and the assessment of its adequacy. Periodic conformance audits of the operations of the system. Prevention of quality problems through planned and systematic activities including documentation.
  14. 14. To Achieve QC goals Finding & eliminating sources of quality problems through tools & equipment so that customer's requirements are continually met. The activities or techniques used to achieve and maintain the product quality, process and service.
  15. 15. Paper Plane: Fundae Session - Contextual 19 Oct 2011 Inquiry 20
  16. 16. QA - Example 21 Example:  A QA audit  Process documentation  Establishing standards  Developing checklists  Conducting internal audits
  17. 17. QC - Example Paper Plane: Fundae Session - Contextual 19 Oct 2011 Inquiry 22 Example:  A QC review  Performing inspections  Preforming testing
  18. 18. Responsible for QA Everyone on the team involved in developing the product is responsible for Quality Assurance.
  19. 19. Responsible for QC Quality Control is usually the responsibility of a specific team that tests the product for defects.
  20. 20. 26
  21. 21. QA and QC 27 Working Together QC detected a recurrent problem with the quality of the products. QC provides feedback to QA person that there is a problem in the process or system that is causing product quality problems. QA determines the root cause of the problem and then brings changes to the process to ensure that there are no quality issues in future.

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