Federal Agencies
Digitization Guidelines Initiative

Home >  Glossary > Q

Glossary: Q

 “Search Glossary” button searches only the glossary. Temporary note: search not enabled for two- and three-character terms; browse by alphabet.
 “Search“ button at the top right of the page searches the Web site, not the glossary.

Suggest a term

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

See Quality Assurance
See Quality Control
Quality Assurance
Quality Assurance (QA) is often confused with Quality Control (QC), but where QC activities are concentrated on detecting defects, QA is proactive and concerned with preventing defects by ensuring that the required levels of quality are achieved for a product or service. A QA program is heavily dependent on data from QC data to…
See Also Quality control; Metrology
Quality Control
Quality Control (QC) includes activities that examine products through observation or testing to determine if they meet their specifications. The purpose of this activity is to detect defects in products or processes where defects are defined as deviating from predetermined requirements.…
See Also Quality assurance; Metrology
Quality management
All activities of the overall management function that determine the quality policy, objectives and responsibilities, and implement them by means such as quality planning. quality control, quality assurance, and quality improvement within the quality system. (ISO 9000:2000) …
A lossy compression technique that involves compressing a range of values to a single quantum value, usually to reduce file size. This may result in errors or flaws in an image, such as posterization, caused by reducing the data available in an image file to represent aspects such as colors.…
See Also Compression (data); Posterization