![]() ![]() Originally, the code page numbers referred to the page numbers in the IBM standard character set manual, a condition which has not held for a long time. In the case when there is a plethora of character sets (like in IBM), identifying character sets through a number is a convenient way to distinguish them. The majority of vendors identify their own character sets by a name. The term "code page" originated from IBM's EBCDIC-based mainframe systems, but Microsoft, SAP, and Oracle Corporation are among the few vendors that use this term. (In some contexts these terms are used more precisely see Character encoding ยง Character sets, character maps and code pages.) Typically each number represents the binary value in a single byte. 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. Dated classifications of computing character sets
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