Quality control:
It is the quality of design that describes how to design a product or commodity that meets the needs of consumers and is taken into consideration when doing the design,
the following:
- Develop what is appropriate for needs such as the proposed ideas, specifications, methods, materials, procedures, people, training, etc.
- Ensure that the design meets the needs of society
- The quality of the application for the design so that the manufactured goods or the service provided consistently match the design
Quality assurance:
- It is the planned, organized and necessary actions to give the appropriate confidence that the product or service will achieve the quality requirements, as it is the responsibility of the organization to maintain the quality of the product and service to achieve the requirements of customers and customers continuously.
- It is the responsibility of the institution to give confidence to its customers in its ability to achieve and maintain the required quality of the product or service
At a high level, QA is proactive while QC is reactive. QA is a set of activities for ensuring quality in the processes by which products are developed. QA is more of a system level control measure, setting forth guidelines, best practices, and processes to ensure the same general steps are being taken for each project to ensure a quality product is being produced. QA develops the quality systems at a company and ensures a planned, systematic approach is being taken, and that activities are being properly documented.
On the other hand, QC is a set of activities for ensuring quality products, with the goal being that issues are detected prior to releasing the product. This can be done through verification testing, design reviews, etc. In a design process, the project team will follow the procedures QA has set up to complete their activities, and once the activities have been completed, QC will review the activities and ensure the product meets the design input requirements and quality standards.
At a high level, QA is proactive while QC is reactive. QA is a set of activities for ensuring quality in the processes by which products are developed. QA is more of a system level control measure, setting forth guidelines, best practices, and processes to ensure the same general steps are being taken for each project to ensure a quality product is being produced. QA develops the quality systems at a company and ensures a planned, systematic approach is being taken, and that activities are being properly documented.
On the other hand, QC is a set of activities for ensuring quality products, with the goal being that issues are detected prior to releasing the product. This can be done through verification testing, design reviews, etc. In a design process, the project team will follow the procedures QA has set up to complete their activities, and once the activities have been completed, QC will review the activities and ensure the product meets the design input requirements and quality standards.
Quality assurance is the process of managing for quality; while quality control is used to verify the quality of the output. Quality assurance ensures that the techniques or methods that are designed for the product are implemented correctly. It recognizes the flaws in the process i.e. it is preventive in nature. Quality control is a reactive process. It evaluates the results against acceptance criteria and helps in determining accept/reject status. But both are part of quality management.
Quality Assurance involves performing activities necessary to ensure quality is being continuously maintained and improved on, and Quality Control involves actually identifying and measuring quality, but both are part of the overall Quality Management System within an organization. Within a project, there's also the process of Quality Planning, when the logistics on how both of these functions will be carried out for the project are established. Before I began working in the medical device industry I would often use the terms interchangeably, but they are distinct functions within my company. The QC department is comprised of technicians who inspect received parts from outside vendors to ensure they are compliant with the specification, whereas the QA department writes up the inspection procedures and determines the appropriate sampling criteria for QC to follow.
QA and QC are very important for the overall quality of a product. however in lamest terms if your are interested in managing standards QA is the way to go but if you intend to be involved more technically and hands on with the physical quality that meets the necessary dimensional requirements QC is the way.
Quality Assurance and Quality control are almost similar and sometimes mistaken to mean the same, but they are different. As part of the quality management, they are often used interchangeably. Both are related to each other, but they are different in origins.
Typically, QA activities and responsibilities cover virtually all the quality system in one fashion or another, while QC is a subset of the QA activities. QA is more focused on preventing defect while QC is focused on identifying the defect. While doing QA, we define the processes, policies & strategies, establish standards, develop checklists etc. that needs to be used and followed throughout the life cycle of a project and while doing QC we follow all those defined processes, standards, and policies that was laid down by QA to make sure that the project is maintaining high quality and the outcome of the project at least meets the customer’s expectations
In a Medical Device industry, Quality assurance does not assure quality, rather it creates and ensures the deliverable, and the processes are being followed to assure quality which includes such process as Documentations, Audits, Supplier management, Personnel training, Change control, and investigation procedures. QA Defines standards and methodologies to be followed to meet the customer requirements.
While QC in a Medical device industry ensures that the standards are followed while working on the product and verifies the deliverables. QC procedures includes: Batch inspection, Product sampling, Validation testing, and Laboratory testing. QC does not control quality, rather it measures quality, and such results can be utilized to correct/modify QA processes which can be successfully implemented in new projects as well.
Quality assurance includes the activities performed within the quality system and answers the question of whether or not a project is equipped to handle the quality standards and requirements. Some inputs to quality assurance are the quality management plan, project quality management plan, and results of quality control testing. Outputs include corrective action/preventative action (CAPA) and changes or additions to other project documents. Internal quality audits for quality assurance can be conducted by quality assurance team or the project team.
Quality control includes inspecting project deliverables and answers the question of whether or not the project complies with the quality standards and requirements. It also includes reviewing performance results, often through statistical quality control. Quality control is typically used for larger project with more deliverables rather than small project with minimal deliverables. Some inputs to quality control include work results, project quality management plan, and checklists. Some tools used for quality control are control charts, statistical sampling, and flow charts. Some outputs of quality control include improvement, accepted/rejected decisions, completed checklists, and, like quality assurance, CAPA.
Quality Assurance and Quality control have a different meaning in their own aspects. I will be mostly writing about the differences which both of the terms mean QA aims to prevent defect which QC aims to identify and fix defects. QA is a method to manage the Quality validation while QC verifies the Quality validation. QA does not have to excuse the program while QC always has to do the step. While one can be called as a preventive technique one can be called as a corrective technique. QA is a procedure which creates the deliverables while QC verifies it. Finally, QC requires only the testing unit to work on the project however for QA the whole team has to work on the project.
Simply put, according to the lecture, Quality Assurance is making sure that the project has the procedures and the people to handle the project standards, while Quality Control is the act of measuring compliance with all of these standards. More specifically, QA takes place throughout the entire process. The inputs to QA come from the Quality Management Plan, the Project Quality Management Plan and from the results of quality control measurements/testing. The outputs are Corrective Action/Preventative Action (CAPA) and Changes/Additions to other documents. For QC, it's more of an inspection. It is like QA, except it's for the project not for the product. Inputs for QC come from work results, the Project Quality Management Plan, metrics and checklists. The outputs of QC are quality improvement, acceptance decisions, the option to rework back into compliance, completed checklists and CAPA.
QA are the actions taken to design and manufacture a safe and effective product by building quality controls into the product life cycle. QC are the test procedures that are used to verify that a product is safe and effective after manufacturing is done. QC focuses on identifying a defect of the product. QC occurs after the QA.
Quality Assurance and Quality Control are the same in that they both have the output of an action which improves quality but what they look at. Quality Assurance looks at the entire process and makes sure that how you perform a task complies with the standards set in the quality management plan. Quality Control, however, only looks at the deliverables you create and the metrics behind them to make sure that they match the standards.
In the lecture we studied about Quality Assurance and Quality control. How these both are different from each other?
So, some people mix these two up to the point that they are often used interchangeably. However, they are different in that Quality Assurance is the plan to achieve and maintain quality of a product. Quality Control is the process of testing the product and making sure that quality assurance plans have been followed. So, you make a process for quality assurance to make sure the product is good then you follow up with quality control to make sure your process was followed and the product is up to standard.
The Quality Control and Quality Assurance personnel must work together towards the success of completion for a project. These departments have some differences that allow them to watch over the needs of a project. Quality Assurance is a process-based system that is meant to ensure that there are no issues in the needs of the planning process. It helps to carry out the project’s requirements and expectations by planning, documenting, and finalizing the budgets. Quality Control is a product-based system that analyzes the output of the final product. This team is responsible for finding the issues in the product and correct them before the final deadline. It is not possible to have one team without the other. Quality Assurance and Quality Control are needed to check all aspects of the life cycle of a project.
You made some good points about the differences between Quality Assurance and Quality Control. The Quality Assurance team is needed to make sure that there are smooth transitions between the planning phase. The planning phase of a project defines the needs and execution of a project. Quality Assurance reviews all of the necessary documents that help to build and define a project. The Quality Control team inspects the issues that arise in the finished products of a project. This team will identify and make sure that the issues are fixed prior to the completion of a project. The Quality Assurance team uses documents like quality audits, while the Quality Control team uses tools like scatter diagrams and control charts. Bothe quality teams are needed for the overall success of a project.
