Keypunch IBM Punch Card Unpunched, Vintage (10 cards)

Keypunch IBM Punch Card Unpunched, Vintage (10 cards) #IT #moderncomputing #aperturecard #bigdata #programming #dataprocessing Listing is for QTY: 10 cards Nostalgic for the early days of computing? Have an interest in how data was collected, processed & stored? Punch Cards are one of the earliest icons of the Information Age & are a powerful symbol of the 20th century automation. A keypunch is a device for precisely punching holes into stiff paper cards at specific locations on the card as determined by the keys struck by a human operator. The resulting punched card contained data to be processed by computing devices, the resulting punched cards were either data or programs directing the computer's operations. Condition: • Never Used, Vintage • The card in today's listing is an unpunched card, no data is recorded. 80 Column Card (Could store 80 bytes of information) • Not a professional photographer, the colors may look different IRL! Features: • 10 x Single Unpunched Stiff Paper Card • 80 Column Card x 12 rows • AKA: Punch Cards, Punched Cards, Hollerith Cards, IBM Cards • These cards are part of stock that were used with IBM keypunch machines (029) • Dimensions: 7 3/8” x 3 ¼" • Colorway: Natural About: • For almost half a century, IBM cards held most of the word’s stored data. • The IBM 024 (non-print) & 026 (print) Card Punch developed in 1949. The 029 was introduced in1964.