They called it an "electronic brain," and it took up most of the room. It was the latest technology available to the University or Arizona. It was an IBM Type 650 Computer being installed at the UA.

This red notebook contains the "IBM Customer Engineering Reference Manual" describing "Preventive Maintenance & Adjustments" for the IBM 650 data-processing system It is specifically intended for ...

Computer operators at Lawrence Livermore work at IBM 650 computer consoles, October 1956. Lawrence Livermore accepted delivery of its first IBM computer in 1954. Image courtesy of Lawrence Livermore ...

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 ...

Even as an undergraduate at the Case Institute of Technology, Donald E. Knuth, PhD (CIT '60; GRS '60, mathematics; HON '80), was ahead of his time. He rewrote code for the school's then-latest ...

Expected usefulness of the IBM 7030 Stretch computer for business data processing was described at the 16th National Meeting of the Association for Computing ...

The IBM 702 was one of the first electronic computers built by IBM for its business customers (the earlier IBM 701 was designed primarily for scientific calculations. The earlier IBM 650 was directed ...