PC-based IBM mainframe-compatible systems: Difference between revisions

Revision as of 20:01, 20 February 2006

Revision as of 17:40, 6 March 2006

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==Background==

Up until the late 1980s, mainframes were very large machines that often occupied entire rooms. The rooms were often air conditioned and had special power arrangements to accomodateaccommodate [[three-phase power]] required by the machines.

==System/370==