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The phrase ANSI character set has no well-defined meaning and has been used to refer to the following, among other things: . Windows code pages, a collection of 8-bit character sets compatible with ASCII but incompatible with each other, especially those code pages that are partly compatible with ISO-8859, most commonly Windows Latin 1
Hewlett-Packard started to add European characters to their extended 7-bit / 8-bit ASCII character set HP Roman Extension around 1978/1979 for use with their workstations, terminals and printers. This later evolved into the widely used regular 8-bit character sets HP Roman-8 and HP Roman-9 (as well as a number of variants).
It is the basis for some popular 8-bit character sets and the first two blocks of characters in Unicode. As of December 2024 [update] , 1.1% of all web sites use ISO/IEC 8859-1 . [ 1 ] [ 2 ] It is the most declared single-byte character encoding, but as Web browsers and the HTML5 standard [ 3 ] interpret them as the superset Windows-1252 ...
Eventually, as 8-, 16-, and 32-bit (and later 64-bit) computers began to replace 12-, 18-, and 36-bit computers as the norm, it became common to use an 8-bit byte to store each character in memory, providing an opportunity for extended, 8-bit relatives of ASCII. In most cases these developed as true extensions of ASCII, leaving the original ...
SS2 selects the G2 character set, and SS3 selects the G3 character set. [13] In a 7-bit environment, this is followed by one or more GL bytes (0x20–0x7F) specifying a character from that set. [12]: 9.4 In an 8-bit environment, these may instead be GR bytes (0xA0–0xFF). [12]: 8.4 ESC O: 0x8F: SS3: Single Shift Three ESC P: 0x90: DCS
Although Windows NT supported Unicode and attempted to encourage programs to use it, it only provided the 16-bit code units of UCS-2/UTF-16, despite the existing support for other multibyte character encodings such as Shift-JIS. As many applications preferred to use 8-bit strings, Windows-1252 remained the most popular encoding on Windows.
ISO/IEC 8859-11:1999 - 8-bit single-byte coded graphic character sets, Part 11: Latin/Thai character set (draft dated June 22, 1999; superseded by ISO/IEC 8859-11:2001, published 15 December 2001) ISO/IEC 8859-13:1998 - 8-bit single-byte coded graphic character sets, Part 13: Latin alphabet No. 7 (draft dated April 15, 1998, published October ...
MARC-8: 1968 7 bits Library computer systems Braille ASCII: 1969 6/7 bits Tactile print for blind persons JIS X 0201: 1969 6/7 bits First Japanese electronic character set ECMA-48: 1972 7 bits Terminal text manipulation and colors ISO/IEC 8859: 1987 8 bits International codes ISO/IEC 10646 1991 21 bits usable, packed into 8/16/32-bit code units