The 1620 used binary-coded-decimal as you mention, not the 1401’s bi-quinary, so it’s not “the same scheme”, although it did also calculate on one decimal digit at a time.

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 ...

The IBM 1401 can compute a double SHA-256 hash in 80 seconds. It requires about 3000 Watts of power, roughly the same as an oven or clothes dryer. A basic IBM 1401 system sold for $125,600, which ...

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 ...

The IBM 1401 is undeniably a classic computer. One of IBM’s most “affordable” mainframes, it ruled the small business computing world of the 1960’s.

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 ...

The IBM 1401 was taken out of service in 1971, and his father gave it a farewell ceremony that included playing some of the short melodies he had composed. These tracks were recorded.

IBM 1401 let's program, part 1: overview --YouTube 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 ...

Description. Bill Worthington, a former IBM 1401 programmer and volunteer at the Computer History Museum, showed a fully functional 1401 system and explained its popularity.

The IBM 1401 was never a home computer, but it had been used to run a family business until 1995. Most of its cards were in full working order, and the machine was running again in six months.

Well before the arrival of Tinder and Hinge and OkCupid, there was another technological marvel that fed our never-ending quest for true love. It was called Match. No, we don’t mean Match.com.