EXTENDED BINARY CODED DECIMAL INTERCHANGE CODE
\ɛkstˈɛndɪd bˈa͡ɪnəɹi kˈə͡ʊdɪd dˈɛsɪmə͡l ˌɪntət͡ʃˈe͡ɪnd͡ʒ kˈə͡ʊd], \ɛkstˈɛndɪd bˈaɪnəɹi kˈəʊdɪd dˈɛsɪməl ˌɪntətʃˈeɪndʒ kˈəʊd], \ɛ_k_s_t_ˈɛ_n_d_ɪ_d b_ˈaɪ_n_ə_ɹ_i k_ˈəʊ_d_ɪ_d d_ˈɛ_s_ɪ_m_əl ˌɪ_n_t_ə_tʃ_ˈeɪ_n_dʒ k_ˈəʊ_d]\
Definitions of EXTENDED BINARY CODED DECIMAL INTERCHANGE CODE
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/eb's*-dik/, /eb'see`dik/, /eb'k*-dik/,/ee`bik'dik`/, /*-bik'dik`/ (EBCDIC) A proprietary 8-bitcharacter set used on IBM dinosaurs, the AS/400, ande-Server.EBCDIC is an extension to 8 bits of BCDIC (Binary CodedDecimal Interchange Code), an earlier 6-bit character set usedon IBM computers. EBCDIC was [first?] used on the successfulSystem/360, anounced on 1964-04-07, and survived for manyyears despite the almost universal adoption of ASCIIelsewhere. Was this concern for backward compatibility or,as many believe, a marketing strategy to lock in IBMcustomers?IBM created 57 national EBCDIC character sets and anInternational Reference Version (IRV) based on ISO 646 (andhence ASCII compatible). Documentation on these was noteasily accessible making international exchange of data evenbetween IBM mainframes a tricky task.US EBCDIC uses more or less the same characters as ASCII,but different code points. It has non-contiguous lettersequences, some ASCII characters do not exist in EBCDIC(e.g. square brackets), and EBCDIC has some (cent sign,not sign) not in ASCII. As a consequence, the translationbetween ASCII and EBCDIC was never officially completelydefined. Users defined one translation which resulted in aso-called de-facto EBCDIC containing all the characters ofASCII, that all ASCII-related programs use.Some printers, telex machines, and even electronic cashregisters can speak EBCDIC, but only so they can converse withIBM mainframes.For an in-depth discussion of character code sets, and fulltranslation tables, see Guidelines on 8-bit character codes(ftp://ftp.ulg.ac.be/pub/docs/iso8859/iso8859.networking).A history of character codes(http://tronweb.super-nova.co.jp/characcodehist.html).
By Denis Howe
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.
Nearby Words
- extended
- extended affix grammar
- extended algol
- extended architecture
- extended backus-naur form
- extended binary coded decimal interchange code
- extended c++
- extended capabilities port
- extended care facilities
- extended care facility
- extended concurrent prolog