Concept

IBM 8000

Summary
The IBM 8000 series was a proposed transistor-based successor to the IBM 7000 series. Important engineers on the project included Fred Brooks and Gerry Blaauw. The project plan for the 8000 series was presented by Fred Brooks in January 1961. Despite some technical successes, the project became a political football, amid IBM's search for a unified product line. The project was canceled in 1961 by Bob Evans, supplanted by the successful System/360 series. The 8000 project may have seen the first use of the term "architecture" in relation to computers. Problems Pugh cites a number of reasons for the cancellation of the 8000 line.
  • Because more integrated technology was not yet available the system was to have been built using discrete transistor (SMS) components.
  • The proposed systems would have been incompatible with IBM's existing successful 1400 series systems.
  • The proposed instruction set was too complex.
  • The systems offered inadequate floating poin
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