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Encyclopedia > American National Standards Institute

The American National Standards Institute or ANSI (pronounced "an-see") is a nonprofit organization that oversees the development of standards for products, services, processes and systems in the United States. The organization also coordinates U.S. standards with international standards so that American products can be used worldwide. For example, standards make sure that people who own cameras can find the film they need for them anywhere around the globe.


The American National Standards Institute approves standards that are developed by representatives of standards developing organizations, government agencies, consumer groups, companies, and others. These standards make sure that the characteristics and performance of products are consistent, that people use the same definitions and terms, and that products are tested the same way.


ANSI accredits organizations that carry out product or personnel certification in accordance with requirements defined in international standards. The ANSI accreditation programs conform to international guidelines as verified by government and peer review assessments.


In 1918, five engineering societies and three government agencies founded the American Engineering Standards Committee (AESC). The AESC became the American Standards Association (ASA) in 1928. In 1966, the ASA was reorganized and became the United States of America Standards Institute (USASI). The present name was adopted in 1969. The organization's headquarters are in Washington, D.C. For more information see its Web site at http://www.ansi.org.


The ASA photographic exposure system became the basis for the ISO film speed system, currently used worldwide. Film speed is the measure of a photographic film stocks sensitivity to light. ...


In Microsoft Windows, the phrase "ANSI" refers to the Windows ANSI code pages. Most of these are fixed width though there are some variable width ones for ideographic languages. Some of these are very close to the ISO-8859 series leading many to falsely assume that they are identical. Microsoft Windows is a series of popular proprietary operating environments and operating systems created by Microsoft for use on personal computers and servers. ... Microsoft uses two main groups of code pages in Windows. ... A Chinese character. ... ISO 8859, more formally ISO/IEC 8859, is a joint ISO and IEC standard for 8-bit character encodings for use by computers. ...


ASCII art which is colorized or animated by way of ANSI terminal control codes (X3.64 sequences) are commonly referred to as "ANSI art" and were predominantly popular on bulletin board systems throughout the 1980s and 1990s. ASCII art, an artistic medium relying primarily on computers for presentation, consists of pictures pieced together from characters (preferably from the 95 printable characters defined by ASCII). ... A screenshot of TheDraw editing an ANSI art picture of a shuttle; the purple text blinks ANSI art is a computer artform that was widely used at one time on BBSes. ... A bulletin board system or BBS is a computer system running software that allows users to dial into the system over a phone line and, using a terminal program, perform functions such as downloading software and data, uploading data, playing games, reading news, and exchanging messages with other users. ...


See also

  • American National Standards Institute Nanotechnology Standards Panel (ANSI-NSP)
  • American National Standards Institute Homeland Security Standards Panel (ANSI-HSSP)
  • American National Standards Institute Healthcare Information Technology Standards Panel (ANSI-HITSP)
  • ANSI art, art created from a subset of X3.64
  • ANSI.SYS, a device driver for MS-DOS
  • ANSI escape codes
  • Unified Thread Standard

A screenshot of TheDraw editing an ANSI art picture of a shuttle; the purple text blinks ANSI art is a computer artform that was widely used at one time on BBSes. ... The VT100 was a video terminal made by Digital Equipment Corporation (DEC) which became the de facto standard used by terminal emulators. ... ANSI.SYS is a device driver in MS-DOS (and related operating systems) that provides extra console functions through ANSI escape codes. ... Microsofts disk operating system, MS-DOS, was Microsofts implementation of DOS, which was the first popular operating system for the IBM PC, and until recently, was widely used on the PC compatible platform. ... ANSI escape codes are used to control text formatting and other output options on text terminals that are based on the ANSI X3. ... The Unified Thread Standard (UTS) specifies the standard thread form, series, class, allowance, tolerance, and designation for unified screw threads. ...

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