Dancer and choreographer Erna Omarsdottir performs during IBM 1401: A User's Manual. Photo: Laurent Ziegler When IBM chief maintenance engineer Jóhann Gunnarsson started tinkering with the IBM 1401 ...

IBM's second successful commercial computer (the first was the 650). Introduced in 1959 and offered until 1971, the 1401 was an outstanding success. More than 12,000 systems were installed, and it was ...

Could an IBM mainframe from the 1960s mine Bitcoin? The idea seemed crazy, so I decided to find out. I implemented the Bitcoin hash algorithm in assembly code for the IBM 1401 and tested it on a ...

Log-in to bookmark & organize content - it's free! Bill Worthington, a former IBM 1401 programmer and volunteer at the Computer History Museum, showed a fully functional 1401 system and explained its ...

Old mainframe computers are interesting, especially to those of us who weren’t around to see them in action. We sit with old-timers and listen to their stories of the good ol’ days. They tell us about ...

One can only hazard a guess as to the reaction at chez Jóhannsson when word spread about the imminent arrival of IBM 1401, the world’s first ‘mass-produced digital business computer’ in 1964. Back in ...

This year's Tony Sale Award, presented by the Computer Conservation Society (CCS), has been shared by the restoration of two IBM 1401 business computers from the 1950s at the Computer History Museum ...

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IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. 1. The IBM 1401 central processing ...

You actually could successfully mine Bitcoin on an IBM 1401 if all the machines being used for mining were similarly slow. The test for whether a hash successfully completes a block or not adjusts for ...

Siglent has been making pretty big inroads into the mid-range test equipment market, with the manufacturers instruments popping up on benches all over the place. Saulius Lukse, of Kurokesu fame, found ...