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Code point

Index Code point

A code point, codepoint or code position is a particular position in a table, where the position has been assigned a meaning. [1]

Table of Contents

  1. 24 relations: ASCII, Binary number, Byte, Character (computing), Character encoding, Code page, Combining character, Comparison of Unicode encodings, Continuous or discrete variable, Control character, Extended ASCII, Grapheme, Hexadecimal, Latin script, Octet (computing), Plane (Unicode), Self-synchronizing code, Specials (Unicode block), Text-based user interface, Unicode, Unicode collation algorithm, Unicode Consortium, UTF-32, UTF-8.

ASCII

ASCII, an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. Code point and ASCII are character encoding.

See Code point and ASCII

Binary number

A binary number is a number expressed in the base-2 numeral system or binary numeral system, a method for representing numbers that uses only two symbols for the natural numbers: typically "0" (zero) and "1" (one).

See Code point and Binary number

Byte

The byte is a unit of digital information that most commonly consists of eight bits.

See Code point and Byte

Character (computing)

In computer and machine-based telecommunications terminology, a character is a unit of information that roughly corresponds to a grapheme, grapheme-like unit, or symbol, such as in an alphabet or syllabary in the written form of a natural language. Code point and character (computing) are character encoding.

See Code point and Character (computing)

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.

See Code point and Character encoding

Code page

In computing, a code page is a character encoding and as such it is a specific association of a set of printable characters and control characters with unique numbers. Code point and code page are character encoding.

See Code point and Code page

Combining character

In digital typography, combining characters are characters that are intended to modify other characters.

See Code point and Combining character

Comparison of Unicode encodings

This article compares Unicode encodings in two types of environments: 8-bit-clean environments, and environments that forbid the use of byte values with the high bit set.

See Code point and Comparison of Unicode encodings

Continuous or discrete variable

In mathematics and statistics, a quantitative variable may be continuous or discrete if they are typically obtained by measuring or counting, respectively.

See Code point and Continuous or discrete variable

Control character

In computing and telecommunication, a control character or non-printing character (NPC) is a code point in a character set that does not represent a written character or symbol.

See Code point and Control character

Extended ASCII

Extended ASCII is a repertoire of character encodings that include (most of) the original 96 ASCII character set, plus up to 128 additional characters.

See Code point and Extended ASCII

Grapheme

In linguistics, a grapheme is the smallest functional unit of a writing system.

See Code point and Grapheme

Hexadecimal

In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of sixteen.

See Code point and Hexadecimal

Latin script

The Latin script, also known as the Roman script, is a writing system based on the letters of the classical Latin alphabet, derived from a form of the Greek alphabet which was in use in the ancient Greek city of Cumae in Magna Graecia.

See Code point and Latin script

Octet (computing)

The octet is a unit of digital information in computing and telecommunications that consists of eight bits.

See Code point and Octet (computing)

Plane (Unicode)

In the Unicode standard, a plane is a contiguous group of 65,536 (216) code points.

See Code point and Plane (Unicode)

Self-synchronizing code

In coding theory, especially in telecommunications, a self-synchronizing code is a uniquely decodable code in which the symbol stream formed by a portion of one code word, or by the overlapped portion of any two adjacent code words, is not a valid code word.

See Code point and Self-synchronizing code

Specials (Unicode block)

Specials is a short Unicode block of characters allocated at the very end of the Basic Multilingual Plane, at U+FFF0–FFFF.

See Code point and Specials (Unicode block)

Text-based user interface

In computing, text-based user interfaces (TUI) (alternately terminal user interfaces, to reflect a dependence upon the properties of computer terminals and not just text), is a retronym describing a type of user interface (UI) common as an early form of human–computer interaction, before the advent of bitmapped displays and modern conventional graphical user interfaces (GUIs).

See Code point and Text-based user interface

Unicode

Unicode, formally The Unicode Standard, is a text encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Code point and Unicode are character encoding.

See Code point and Unicode

Unicode collation algorithm

The Unicode collation algorithm (UCA) is an algorithm defined in Unicode Technical Report #10, which is a customizable method to produce binary keys from strings representing text in any writing system and language that can be represented with Unicode.

See Code point and Unicode collation algorithm

Unicode Consortium

The Unicode Consortium (legally Unicode, Inc.) is a 501(c)(3) non-profit organization incorporated and based in Mountain View, California, U.S. Its primary purpose is to maintain and publish the Unicode Standard which was developed with the intention of replacing existing character encoding schemes that are limited in size and scope, and are incompatible with multilingual environments.

See Code point and Unicode Consortium

UTF-32

UTF-32 (32-bit Unicode Transformation Format) is a fixed-length encoding used to encode Unicode code points that uses exactly 32 bits (four bytes) per code point (but a number of leading bits must be zero as there are far fewer than 232 Unicode code points, needing actually only 21 bits). Code point and UTF-32 are character encoding.

See Code point and UTF-32

UTF-8

UTF-8 is a variable-length character encoding standard used for electronic communication. Code point and UTF-8 are character encoding.

See Code point and UTF-8

References

[1] https://en.wikipedia.org/wiki/Code_point

Also known as Code points, Code position, Codepoint.