Q8815

Also known as American Standard Code for Information Interchange

ASCII ( ), an acronym for American Standard Code for Information Interchange, is a character encoding standard for representing a particular set of 95 (English language focused) printable and 33 control characters a total of 128 code points. The set of available punctuation had significant impact on the syntax of computer languages and text markup. ASCII hugely influenced the design of character sets used by modern computers; for example, the first 128 code points of Unicode are the same as ASCII.

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Key facts

Character encoding.name: ASCII
Character encoding.alias: ISO-IR-006, ANSI_X3.4-1968, ANSI_X3.4-1986, ISO_646.irv:1991, ISO646-US, us, IBM367, cp367
Character encoding.mime: us-ascii
Character encoding.image: frameless|class=skin-invert-image
Character encoding.caption: ASCII chart from MIL-STD-188-100 (1972)
Character encoding.lang: primarily English; also supports Malay, Rotokas, Interlingua, Ido, and X-SAMPA
Character encoding.extensions: Unicode ISO/IEC 8859 (series) KOI-8 OEM (series) Windows-125x (series) Others
Character encoding.prev: ITA 2, FIELDATA
Character encoding.next: ISO/IEC 8859, ISO/IEC 10646 (Unicode)
Character encoding.classification: ISO/IEC 646 series

via Wikipedia infobox

Wikidata facts

Official name: American Standard Code for Information Interchange
Image: USASCII code chart.svg

Show 6 more facts

short name: ASCII
Stack Exchange tag: unix.stackexchange.com/tags/ascii
Commons gallery: ASCII
Commons category: ASCII
Unicode range: U+0000-007F
P13411: Germany

Sources (5)

via Wikidata · CC0

~55 min read

Article

26 sections

Contents

History
Revisions
Design considerations
Bit width
Internal organization
Character order
Character set
Character groups
Control characters
Delete vs backspace
Escape
End of line
End of file/stream
Table of codes
Control code table
Printable character table
Usage
Variants and derivations
7-bit codes
8-bit codes
Unicode
See also
Notes
References
Further reading
External links

ASCII encodes each code-point as a value from 0 to 127 storable as a seven-bit integer. Ninety-five code-points are printable, including digits 0 to 9, lowercase letters a to z, uppercase letters A to Z, and commonly used punctuation symbols. For example, the letter is represented as 105 (decimal). Also, ASCII specifies 33 non-printing control codes which originated with , most of which are now obsolete. The control characters that are still commonly used include carriage return, line feed, and tab.