Computer Collection Library

The IBM 370 Series

IBM's fourth generation mainframe computer family, following on the 360 series and fully upward compatible with it. The significant addition with the 370 series was virtual memory, and this architecture formed the base of IBM's mainframes through the end of the century. The circuitry used small and medium scale silicon integrated circuits, with semiconductor memory in the later models. This was the last series of IBM mainframes to have an impressive operators console with many switches and lights.


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