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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   personal computer \personal computer\ n.
      1. (Computers) A computer[2] designed for use by one person
         at a time; -- contrasted with shared-time computers such
         as a mainframe, server or minicomputer, which may be
         accessed by multiple users each operating from a different
         input device (in the 1990's, usually a terminal or
         personal computer). A personal computer typically uses a
         microprocessor for its CPU.
      Syn: PC, microcomputer.
           [WordNet 1.5 +PJC]