Punched card
id:
punched-card-171-2179377
title:
Punched card
text:
A punched card is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines. Punched cards were widely used in the 20th century, where unit record machines, organized into data processing systems, used punched cards for data input, output, and storage. The IBM 12-row/80-column punched card format came to dominate the industry. Many early digital computers used punched cards as the primary medium for
brand slug:
wiki
category slug:
encyclopedia
description:
Paper-based recording medium
original url:
https://en.wikipedia.org/wiki/Punched_card
date created:
2001-10-18T08:55:06Z
date modified:
2024-09-01T04:44:56Z
main entity:
{"identifier":"Q183414","url":"https://www.wikidata.org/entity/Q183414"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/09/Jacquard.loom.cards.jpg","width":249,"height":333}
fields total:
13
integrity:
16