character encoding wikipedia - EAS
- In computing, data storage, and data transmission, character encoding is used to represent a repertoire of characters by some kind of encoding system that assigns a number to each character for digital representation.
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See all on Wikipediahttps://en.wikipedia.org/wiki/Character_encodingCharacter encoding is the process of assigning numbers to graphical characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using digital computers. The numerical values that make up a character encoding are known as "code
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See moreThe history of character codes illustrates the evolving need for machine-mediated character-based symbolic information over a distance, using once-novel electrical means. The earliest codes were based upon manual and hand
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See moreUnicode and its parallel standard, the ISO/IEC 10646 Universal Character Set, together constitute a modern, unified character encoding. Rather than mapping characters directly to octets (bytes), they separately define what characters are available, corresponding
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See moreAs a result of having many character encoding methods in use (and the need for backward compatibility with archived data), many computer programs have been developed to translate data between encoding schemes as a form of data transcoding.
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See more• Mackenzie, Charles E. (1980). Coded Character Sets, History and Development. The Systems Programming Series (1 ed.). Addison-Wesley Publishing Company, Inc. ISBN 978-0-201-14460-4. LCCN 77-90165.
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See moreTerminology related to character encoding
• A character is a minimal unit of text that has semantic value.
• A character set is a collection of characters that might be used by multiple...
See moreHistorically, the terms "character encoding", "character map", "character set" and "code page" were synonymous in computer science, as the same standard would specify a repertoire
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See more• Percent encoding
• Alt code
• Character encodings in HTML
• Category:Character encoding – articles related to character encoding in general...
See moreWikipedia text under CC-BY-SA license- https://en.wikipedia.org/wiki/Character_encodings_in_HTML
There are two general ways to specify which character encoding is used in the document.
First, the web server can include the character encoding or "charset" in the Hypertext Transfer Protocol (HTTP) Content-Type header, which would typically look like this:
This method gives the HTTP server a convenient way to alter document's encoding according to content negotiation; certain HTTP server software can do it, for example Apache with the moduleWikipedia · Text under CC-BY-SA license- Estimated Reading Time: 10 mins
- https://simple.wikipedia.org/wiki/Character_encoding
Given a number of characters of an alphabet, a character encoding is a function that will map each character to a number. This number must be unique and is called code point. In this context, a character is the minimal unit of text that has a semantic value: In alphabets that use letters, this is usually a letter. Early systems, like the telegraph only have a part of all the letters possible.
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- https://en.wikipedia.org/wiki/BCD_(character_encoding)
- BCD, also called alphanumeric BCD, alphameric BCD, BCD Interchange Code, or BCDIC, is a family of representations of numerals, uppercase Latin letters, and some special and control characters as six-bit character codes. Unlike later encodings such as ASCII, BCD codes were not standardized. Different computer manufacturers, and even different produc...
- Succeeded by: EBCDIC
- https://en.wikipedia.org/wiki/Category:Character_encoding
I. IA5 (character encoding) Internal code. International Alphabet No. 5. International Ideographs Core. International Reference Alphabet. International Telegraph Alphabet No. 1. International Telegraph Alphabet No. 2. International Telegraph Alphabet No. 3.
- https://en.wikipedia.org/wiki/GBK_(character_encoding)
Encoding. A character is encoded as 1 or 2 bytes. A byte in the range 00–7F is a single byte that means the same thing as it does in ASCII. Strictly speaking, there are 95 characters and 33 control codes in this range. A byte with the high bit set indicates that it is the first of 2 bytes.
- https://en.wikipedia.org/wiki/Chinese_character_encoding
In computing, Chinese character encodings can be used to represent text written in the CJK languages—Chinese, Japanese, Korean—and obsolete Vietnamese, all of which use Chinese characters. Several general-purpose character encodings accommodate Chinese characters, and some of them were developed specifically for Chinese. In addition to Unicode, local encoding …
- https://en.wikipedia.org/wiki/Universal_Coded_Character_Set
The Universal Coded Character Set (UCS, Unicode) is a standard set of characters defined by the international standard ISO/IEC 10646, Information technology — Universal Coded Character Set (UCS) (plus amendments to that standard), which is the basis of many character encodings, improving as characters from previously unrepresented typing systems are added.
- https://en.wikipedia.org/wiki/ISO/IEC_8859-1
ISO-8859-1 was (according to the standard, at least) the default encoding of documents delivered via HTTP with a MIME type beginning with "text/" ( HTML5 changed this to Windows-1252 ). [1] [2] As of July 2022, 1.2% of all (but only 5 of the top 1000 [3]) websites use ISO/IEC 8859-1. [4] [5] It is the most declared single-byte character ...
- https://en.wikipedia.org/wiki/Percent-encoding
Percent-encoding, also known as URL encoding, is a method to encode arbitrary data in a Uniform Resource Identifier using only the limited US-ASCII characters legal within a URI. Although it is known as URL encoding, it is also used more generally within the main Uniform Resource Identifier set, which includes both Uniform Resource Locator and Uniform Resource Name. As …
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