You'll be relieved to gear that IBM/360 Column Binary Format is ... Scan and parse a card-image at The Virtual Card Reader! New: Batch punch, read and process cards using the Virtual Card Read ...

[John Graham-Cumming] might not be the first person to thumb through an old book and find an IBM punched card inside ... We occasionally see new card readers. They rarely, though, work with ...

If you think of IBM mainframe computers ... One innovation was that card readers and printers connected to the computer through a “synchronizer” that buffered between the relatively fast ...