Examples of the 80 column punched card and the smaller 40 column cards.
IBM type Punched Cards (1950's-1960's)
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Examples of the 80 column punched card and the smaller 40 column cards. |
Punched Cards were used widely in the computers of the 1950's, 1960's and 1970.s
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Desktop Hand-Operated IBM Card Punch (1960’s)
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An Encyclopedia of the People and Machines that Made Computer History
Copyright © 1982-2000, Lexikon Services "History of Computing" ISBN 0-944601-78-2
