Forgotten in the buzz of WWDC 2025, IBM’s quantum computing announcement might not have been as flashy – but it was quite ...

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 ...

His latest installment is an article describing the strange implementation of the IBM 1401’s qui-binary arithmetic. Full disclosure: It has not been confirmed that [Ken] is an “old-timer ...

From the “everyone needs a hobby” department, we found this ultra-detailed miniature of an IBM 1401 mainframe system to be completely enthralling. We may have written this up at an earlier ...

IBM 1401 - A User's Manual comes with a compelling back-story. Jóhannsson's father worked at IBM as a maintenance engineer for the 1401 Data Processing System, an early and popular business ...

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 ...

This is the IBM 1401 reproduced in 3D. It is said to be one of the world's first mass-produced computers, with 12,000 units sold to companies around the world. The IBM 1401 was a computer ...

A Montreal-based creator modeled a miniature replica of IBM's iconic 1401 computer system. Nicolas Temese told Business Insider that the scale model includes everything from the setup at the time ...

One of the company's smaller, but critically important systems was the IBM 1401, a data processing solution first produced in 1959. These low-cost systems (rented for roughly $20K a month in 2015 ...

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 ...

Built by a group of Harvard students in the mid-1960s, Operation Match tapped the power of the IBM 1401, one of the earliest mass-market computers (see video above). In the first five weeks after ...

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 ...