10 ene 1928 año - IBM Punched Card

Descripción:

Claire D. Lake invented this type of punched card while competing against an engineering rival. This card had 80 columns which was twice as many as the regular PC. It held more storage and was priced at $2.

http://www-03.ibm.com/ibm/history/ibm100/us/en/icons/punchcard/

Añadido al timeline:

15 sep 2017

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CBA Storage Device Timeline

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