Developed over the 18th to 20th centuries, punched cards were widely used for data processing, the control of automated machines, and computing. Early applications included controlling …

It was one of the earliest icons of the Information Age: a simple punched card produced by IBM, commonly known as “the IBM card.” The card itself was unassuming, a thin piece of stiff …

Jun 25, 2025 · Punch cards (or " punched cards "), also known as Hollerith cards or IBM cards, are paper cards where holes may be punched by hand or machine to represent computer data …

When IBM and Remington Rand began selling electronic computers in the years following World War II, punch cards became the preferred method of entering data and programs onto them. …

Aug 10, 2025 · In some computers, the result could also be punched onto new cards using a card punch connected to the mainframe. These output cards could then be used as input for some …

Punched cards, a mainstay of early office automation and computing, helped launch the transition from doing math to processing data. Patterns of holes punched in cards can represent any …

In this story, you will uncover the surprising origin of punched cards and their uses, the events that fuelled the emergence of evolutionary computing technology and explore fascinating...

A punched card (also know as a punch card, IBM card, or Hollerith card) is a stiff piece of paper (card stock) in which holes could be punched in patterns that contained either commands for …

Computers like the IBM System/360, introduced in 1964, still supported punch cards, but alternative input methods, such as magnetic tape and disk storage, began gaining traction. …

From the invention of computer programming languages up to the mid-1970s, most computer programmers created, edited and stored their programs line by line on punch cards.