Expanded Definition: Quality Control
Quality control is a component of Industrial Engineering encompassing the operational techniques and activities used to fulfill requirements for quality (ASQ-FAQ). According to Webster.com the phrase 'Quality Control' is dated back to 1935. Separately the two words themselves have a much older history. Quality dates back to the 14th century starting with Latin qui to, quails of what kind, to qualita, to qualitat-, to Old French qualitei, and most recently Middle English qualite. Control is a little younger dating back to the 15th century with Latin contra- + Medieval Latin rotulus, to Medieval Latin contrarotulus, to contrerolle copy of an account, to Middle French contreroller, and finally to Middle English controllen. Quality control although a newer phase or term has an experienced history (Webster).
Quality control is not a program. Nor is it just for businesses. Quality control extends throughout everyday lives of everyone. It is seen in the burger joint at lunch, the hospitals you visit in your time of need, and in unfortunately the IRS deductions from your paycheck (ASQ-Info).
According to the American Society for Quality (ASQ), quality control is often used interchangeably with the term 'quality assurance.' Quality assurance (QA) and quality control (QC) are both defined by ASQ to be activities that fulfill the requirements of quality. The difference lies in the second word assurance vs. control. QA has the goal of establishing confidence in a target entity that the said process, services, or product has been executed in a desired manner. QC on the other hand, involves the various techniques that monitor a process in order to eliminate causes of unsatisfactory performance throughout all stages (ASQ-Glossary).
In conclusion, quality control is used everyday in everything whether you realize it or not to ensure consistency, fairness, and confidence in...