These are some of the punched cards used in the computer solution to the four color proble by Wolfgang Haken and Kenneth Appel. The cards are marked: Computing [/] Services [/] Office.

Over at Royal Pingdom there's a fascinating little picture history of computer storage from the year dot nearly up to the present day. Who knew that hard ...

Punch cards were a standard form of program and data storage for decades, but you’d never know it by looking around today. Card punches and even readers are becoming rare and expensive.

We think of punched cards as old-fashioned, but still squarely part of the computer age. Turns out, cards were in use way before they got conscripted by computers. Jacquard looms are one famous ...

Since the launch of Computer Weekly in 1966, we have moved from a world of punched cards and paper tape to one where flash and the cloud have revolutionised data storage.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This cream-colored eighty-column ...