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...
8 KB (920 words) - 21:59, 27 March 2024
Binary-coded decimal (section Signed variations)
from the zone field for EBCDIC characters and the signed overpunch representation. Other allowed signs are 1010 (A) and 1110 (E) for positive and 1011 (B)...
114 KB (8,404 words) - 11:27, 29 September 2024
radix sort. Numeric columns have one punch in rows 0-9, possibly a sign overpunch in rows 11-12, and can be sorted in a single pass through the sorter...
10 KB (1,071 words) - 02:56, 5 December 2024
Punched card (redirect from Overpunch)
punching positions, 0 (top) through 9. An arithmetic sign can be specified for a decimal field by overpunching the field's rightmost column with a zone punch:...
69 KB (7,140 words) - 21:06, 8 January 2025
MVNU Move numeric unconditional MCHR Move characters INOP Insert overpunch INSG Insert sign SFDC Skip forward destination character SRDC Skip reverse destination...
29 KB (4,040 words) - 08:21, 8 May 2023
minor. They principally involve the mint mark: several repunchings, one overpunching of a D over an S in 1942, and some changes in letter size. One oddity...
48 KB (5,977 words) - 00:10, 12 December 2024