![]() It was created to extend the existing Binary-Coded Decimal (BCD) Interchange Code, or BCDIC, which itself was devised as an efficient means of encoding the two zone and number punches on punched cards into six bits. It is an eight-bit character encoding, developed separately from the seven-bit ASCII encoding scheme. Contrast at the top is enhanced to show the printed characters.ĮBCDIC was devised in 19 by IBM and was announced with the release of the IBM System/360 line of mainframe computers. Punched card with the Hollerith encoding of the 1964 EBCDIC character set.
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