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ASCII - American Standard Code for Information Interchange
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ASCII, or the American Standard Code for Information Interchange, is a character encoding standard used for representing text in computers and electronic communication devices. Developed in the early 1960s, ASCII assigns numeric codes to a set of 128 characters, including letters, numbers, punctuation marks, and control characters, each represented by a 7-bit binary code. ASCII is widely used in computing for encoding and transmitting text data between different systems and devices, providing a standardized way to represent characters in digital form. While ASCII is limited to encoding basic characters in the English alphabet and some special symbols, it serves as the foundation for many other character encoding standards, such as UTF-8, which support a broader range of characters and languages.
- Snippet from Wikipedia: ASCII
ASCII ( ASS-kee),: 6 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.
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
iis represented as 105 (decimal). Also, ASCII specifies 33 non-printing control codes which originated with Teletype devices; most of which are now obsolete. The control characters that are still commonly used include carriage return, line feed, and tab.ASCII lacks code-points for characters with diacritical marks and therefore does not directly support terms or names such as résumé, jalapeño, or Beyoncé. But, depending on hardware and software support, some diacritical marks can be rendered by overwriting a letter with a backtick (`) or tilde (~).
Despite being an American standard, ASCII does not have a code point for the cent (¢).
The Internet Assigned Numbers Authority (IANA) prefers the name US-ASCII for this character encoding.
ASCII is one of the IEEE milestones.
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