over-punchingn.
/ˈəʊvəˌpʌn(t)ʃɪŋ/, U.S. /ˈoʊvərˌpən(t)ʃɪŋ/ Computing. Now disused.
The punching of a hole in the upper portion of a punched card; the use of overpunches. Also: the provision of two independent sets of hole positions at opposite ends of a single punched card.
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society > computing and information technology > hardware > secondary storage > [noun] > punch card or tape > punching of holes in
field1903
keypunching1913
summary punching1935
tape-punching1951
over-punching1958
1958 Science 24 Oct. 991/3 If an insect has been positively coded to genus and doubtfully to species, it is possible to indicate the doubtful determination in coded data by overpunching at the point that is doubtful.
1962 Gloss. Terms Automatic Data Processing (B.S.I.) 90 Over-punching, the use of the upper curtate to represent a digit independently of the use of the lower curtate.
1971 I. H. Gould IFIP Guide Concepts & Terms Data Processing 130 Over-punching, the use of a card row to contain two independent sets of code holes, one set being towards one end of the row, and the other set towards the other end.
1973 Appl. Statistics 22 169 The program..can deal with over-punching of the first column of a numerical field when this is used to indicate the addition of 10, 20 or 30 to the digit in that column.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
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n.1958