What is a Punch Card?

Computer dictionary definition of what punch card or punched card means, including related links, information, and terms.

Punch cards and when big data meant a full filing cabinet

Computer programming in the punched card era - Wikipedia

Early Card Punch Machines

Homemade Punch Card For Standard Gauge Knitting Machine Hōseki Kitsune by GemFOX

Punch Cards for Data Processing

Do Not Fold, Spindle or Mutilate – MDT

1-Hollerith Punched Card example from the 1890 US census (Wikimedia

Everything To Know About Loyalty Punch Cards (With 16 Examples!) – Blog

IBM Punch Cards

The Virtual Keypunch – Make Your Personal Punch Card

The punched card tabulator