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punched card
(redirected from Hollerith cards)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
punched card esp US, punch card
n
(Electronics & Computer Science / Computer Science) (formerly) a card on which data can be coded in the form of punched holes. In computing, there were usually 80 columns and 12 rows, each column containing a pattern of holes representing one character Sometimes shortened to card
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.punched card - a card on which data can be recorded in the form of punched holespunched card - a card on which data can be recorded in the form of punched holes
card - one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes; "he collected cards and traded them with the other boys"
Translations
punched card [ˌpʌntʃtˈkɑːd] punch card (esp Am) n (Comput) → scheda perforata


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In his years with the federal government, he has gone from using Hollerith cards for data analysis to developing Decision Support 2000+, a set of mental health data standards and an information infrastructure designed to improve quality of care.
Dating back to the 1930s when cards were used to punch in and maintain information for employees' time worked and attendance, Hollerith cards use a series of punched holes to code information.
 
 
 
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