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What (who) is character encoding - definition

SYSTEM USING A PRESCRIBED SET OF DIGITAL VALUES TO REPRESENT TEXTUAL CHARACTERS

Character set; Text encoding; International character set; Character code; Charset; Text encodings; Character encodings; Character sets; Legacy encoding; Character Set; Codeset; Legacy character set; Coded character set; Charsets; Coded Character Set; Character repertoire; Character encoding scheme; Character encoding form; Code character; Coded character; Code unit; Symbol set; Draft:List of computer character encodings; Character encoding system; Character coding system; Character coding; IBM Character Data Representation Architecture; Character Data Representation Architecture; IBM CDRA; CDRA; File encoding; File encodings; Convmv; Code set; Unicode encoding model; Character encoding translation; History of character encoding

character encoding scheme

character encoding

Character encoding

Character 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.Definition from The Tech Terms Dictionary The numerical values that make up a character encoding are known as "code points" and collectively comprise a "code space", a "code page", or a "character map".

https://en.wikipedia.org/wiki/Character_encoding

character encoding

<character> (Or "character encoding scheme") A mapping of binary values to code positions and back; generally a 1:1 (bijective) mapping. In the case of ASCII, this is generally a f(x)=x mapping: code point 65 maps to the byte value 65, and vice versa. This is possible because ASCII uses only code positions representable as single bytes, i.e., values between 0 and 255, at most. (US-ASCII only uses values 0 to 127, in fact.) Unicode and many CJK coded character sets use many more than 255 positions, requiring more complex mappings: sometimes the characters are mapped onto pairs of bytes (see DBCS). In many cases, this breaks programs that assume a one-to-one mapping of bytes to characters, and so, for example, treat any occurrance of the byte value 13 as a carriage return. To avoid this problem, character encodings such as UTF-8 were devised. (1998-10-18)

Wikipedia

Character encoding

Character 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 points" and collectively comprise a "code space", a "code page", or a "character map".

Early character codes associated with the optical or electrical telegraph could only represent a subset of the characters used in written languages, sometimes restricted to upper case letters, numerals and some punctuation only. The low cost of digital representation of data in modern computer systems allows more elaborate character codes (such as Unicode) which represent most of the characters used in many written languages. Character encoding using internationally accepted standards permits worldwide interchange of text in electronic form.

https://en.wikipedia.org/wiki/Character encoding