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Quality control. Quality control ( QC) is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "a part of quality management focused on fulfilling quality requirements". [ 1] This approach places emphasis on three aspects (enshrined in standards such as ISO 9001): [ 2][ 3]
Quality assurance. Quality assurance ( QA) is the term used in both manufacturing and service industries to describe the systematic efforts taken to assure that the product (s) delivered to customer (s) meet with the contractual and other agreed upon performance, design, reliability, and maintainability expectations of that customer.
Quality control is also part of quality management. What a customer wants and is willing to pay for it, determines quality. It is a written or unwritten commitment to a known or unknown consumer in the market. Quality can be defined as how well the product performs its intended function.
Data quality control is the process of controlling the usage of data for an application or a process. This process is performed both before and after a Data Quality Assurance (QA) process, which consists of discovery of data inconsistency and correction. Before: Restricts inputs.
Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results.
Software quality control is the set of procedures used by organizations [ 1] to ensure that a software product will meet its quality goals at the best value to the customer, [ 2] and to continually improve the organization’s ability to produce software products in the future. [ 1]
Quality engineering. Quality engineering is the discipline of engineering concerned with the principles and practice of product and service quality assurance and control. [ 1] In software development, it is the management, development, operation and maintenance of IT systems and enterprise architectures with high quality standard. [ 2][ 3][ 4]
Control chart. Histogram. Pareto chart. Scatter diagram. Flow chart. Run chart. The seven basic tools of quality are a fixed set of visual exercises identified as being most helpful in troubleshooting issues related to quality. [ 1] They are called basic because they are suitable for people with little formal training in statistics and because ...