as the IBM 029. Certainly, the models in the series were overwhelmingly what people used to punch cards. For the uninitiated, a card was about the size of an old-fashioned dollar bill — the ones ...
[John Graham-Cumming] might not be the first person to thumb through an old book and find an IBM punched card ... A Hackaday card, thanks to the online card punch It is hard to remember, but ...
(1) See loyalty punch card. (2) An early storage medium made of thin cardboard stock that held data as patterns of punched holes. Also called "punched" cards, each of the 80 or 96 columns held one ...
All input was on punch cards, and all output was printed or punched into blank cards. There was no display screen. In 1960, IBM introduced the larger 1410 with 80KB of memory, which also ran 1401 ...
10 天
Boing Boing on MSNMake your own virtual punchcardThe Virtual Keypunch is the work of N. Landsteiner-and startlingly complete in detail and authenticity. You'll be relieved to gear that IBM/360 Column Binary Format is fully supported. Type and ...
Founded before World War I, IBM became the industry leader in pretty much every market it entered, from early punch-card tabulating systems to electric typewriters to mainframe and personal computers.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果