Source : Free On-Line Dictionary of Computing

uniprocessor
     
         (From "uni" - one) A computer with a single
        {central processing unit}, in contrast to a {parallel
        processor}.  Most {personal computers} are currently (March
        1997) uniprocessors.  Some more expensive computers, typically
        {servers}, have multiple processors to provide increased
        {throughput}.
     
        See also {symmetric multiprocessor} and {massively parallel
        processor}.
     
        (1997-03-23)