Get the answer to the most frequently asked question — What is the difference between Quality Assurance and Quality Control? There are standards needs to follow to satisfy the customer requirements. 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. 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 deliverables have been followed and are operative. Quality Assurance is a proactive process and is Prevention in nature.
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As earlier HBR articles have emphasized, quality control is a crucial function in an organization that markets services. But is quality control the same thing in a service company as in a manufacturing concern? And what does management have to do to establish it in operations? Little has been written on these questions, though valuable […]. Little has been written on these questions, though valuable insights and principles have been acquired by leading companies in the service sector.
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Quality control QC is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer. QC is similar to, but not identical with, quality assurance QA. While QA refers to the confirmation that specified requirements have been met by a product or service, QC refers to the actual inspection of these elements. In order to implement an effective QC program, an enterprise must first decide which specific standards the product or service must meet. Then the extent of QC actions must be determined -- for example, the percentage of units to be tested from each lot.
Quality control QC is a process by which entities review the quality of all factors involved in production. ISO defines quality control as "A part of quality management focused on fulfilling quality requirements". This approach places emphasis on three aspects enshrined in standards such as ISO :  .