MAINFRAME

• (noun) (computer science) the part of a computer (a microprocessor chip) that does most of the data processing

  "the CPU and the memory form the central part of a computer to which the peripherals are attached"

  synonyms : c.p.u. , central processing unit , central processor , cpu , processor

• (noun) a large digital computer serving 100-400 users and occupying a special air-conditioned room

  synonyms : mainframe computer

WordNet® 3.0, © 2006 by Princeton University.

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