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In computing, a signed overpunch is a coding scheme which stores the sign of a number by changing (usually) the last digit. It is used in character data on IBM mainframes by languages such as COBOL, PL/I, and RPG. Its purpose is to save a character that would otherwise be used by the sign digit. The code is derived from the Hollerith Punched Card Code…
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digit sign character overpunch negative contain decimal zone numeric zoned ibm position indicate value positive called bits cobol pl ebcdic
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Signed overpunch | is a | coding scheme which stores the sign of a number by changing | 0.90 | text |
| COBOL | instance of | It is used in character data on IBM mainframes by languages | 0.80 | text |
| PL/I | instance of | It is used in character data on IBM mainframes by languages | 0.80 | text |
| and RPG | instance of | It is used in character data on IBM mainframes by languages | 0.80 | text |
| Signed overpunch | related to ASCII representation | Representation | 0.60 | section |
| Signed overpunch | related to ASCII representation | ASCII | 0.60 | section |
| Signed overpunch | related to ASCII representation | In | 0.60 | section |
| Signed overpunch | related to ASCII representation | EBCDIC Signed | 0.60 | section |
| Signed overpunch | related to ASCII representation | An EBCDIC | 0.60 | section |
| Signed overpunch | related to ASCII representation | D1'x | 0.60 | section |
| Signed overpunch | related to ASCII representation | An | 0.60 | section |
| Signed overpunch | related to ASCII representation | This | 0.60 | section |
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