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Unicode

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

Unicode , set of codes used to represent letters, numbers, control characters, and the like, designed for use internationally in computers . It has been expanded to include such items as scientific, mathematical, and technical symbols, and even musical notation. The Unicode standard defines codes for linguistic symbols used in every major language written today. It includes the Latin alphabet used for English, the Cyrillic alphabet used for Russian, the Greek, Hebrew, and Arabic alphabets, and other alphabets and alphabetlike writing systems used in countries across Europe, Africa, the Indian subcontinent, and Asia, such as Japanese kana, Korean hangeul, and Chinese bopomofo. A large part of the Unicode standard is devoted to thousands of unified character codes for Chinese, Japanese, and Korean ideographs. Adopted as an international standard in 1992, Unicode was originally a "double-byte," or 16-digit, binary number (see numeration ) code that could represent up to 65,536 items. No longer limited to 16 bits, it can now represent about one million code positions using three encoding forms called Unicode Transformation Formats (UTF). UTF-8, which consists of one-, two-, three-, and four-byte codes, is used extensively in World Wide Web applications; UTF-16, which consists of two- and four-byte codes, is used primarily for data storage and text processing; and UTF-32, which consists of four-byte codes, is used where character handling must be as efficient as possible. See also ASCII .

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Unicode

A Dictionary of Computing | 2004 | | Copyright

Unicode A 16-bit code, defined by the Unicode Consortium, intended to redress the deficiencies and restrictions of the ISO-7 code in a worldwide context. Unicode is closely similar to UCS. The Unicode consortium and ISO/IEC JTC1/SC2 have worked to ensure compatibility between Unicode and ISO/IEC 10646.

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JOHN DAINTITH. "Unicode." A Dictionary of Computing. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

JOHN DAINTITH. "Unicode." A Dictionary of Computing. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O11-Unicode.html

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Unicode

A Dictionary of the Internet | 2001 | | Copyright

Unicode A standard for a set of characters which is intended to support written texts expressed in a large number of languages from Europe, America, Asia, India, and the Pacific Rim. Version 2 of the standard contains 38,885 different characters.

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DARREL INCE. "Unicode." A Dictionary of the Internet. 2001. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

DARREL INCE. "Unicode." A Dictionary of the Internet. 2001. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O12-Unicode.html

DARREL INCE. "Unicode." A Dictionary of the Internet. 2001. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O12-Unicode.html

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Unicode

A Dictionary of Business and Management | 2006 | Copyright

Unicode In computing, a coding standard in which one or more bytes are used to represent each character. Unicode allows unique definition of symbols, foreign alphabets, Chinese ideographs, etc. To date over 90 000 have been defined.

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