Signed overpunch
id:
signed-overpunch-251-9948296
title:
Signed overpunch
text:
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, where both a digit and a sign can be entered in the same card column. It is called an overpunch because the digit in that column has a 12-punch o
brand slug:
wiki
category slug:
encyclopedia
description:
Data encoding technique
original url:
https://en.wikipedia.org/wiki/Signed_overpunch
date created:
date modified:
2024-03-27T21:59:29Z
main entity:
{"identifier":"Q7512909","url":"https://www.wikidata.org/entity/Q7512909"}
image:
fields total:
13
integrity:
14