| 单词 | EBCDIC (Extended Binary Coded Decimal Interchange Code) |
| 释义 | EBCDIC (Extended Binary Coded Decimal Interchange Code) An improvement over earlier (1950) Binary Coded Decimal (BCD) and (1951) Extended Binary Coded Decimal (Extended BCD), EBCDIC was developed by IBM in 1962 to enable different IBM computer systems to communicate based on a standard coding scheme, which users have the ability to modify. EBCDIC is an 8-bit coding scheme, yielding 28 (256) possible combinations. As a result, English and similarly complex alphabets can be supported, as can upper- and lowercase letters, a full range of numbers (0–9), and all necessary punctuation marks. EBCDIC also supports a large number of control characters, which is critical in the coordination of communications between the complex mainframe and midrange computers that were the core of IBM’s business.Table E-1 of the EBCDIC code is based on a 0–255 scale in decimal notation (dec), and Table E-2 is based on 00–FF in the hexadecimal notation (hex). |
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