central processor n (computer science) the part of a computer (a microprocessor chip) that does most of the data processing Synonym(s) central processing unit CPU C.P.U. processor mainframe
News & Articles central processor The new Mac Pro: desktop mainframe The tiny little power-packed tube is engineered like a 1960s mainframe computer: a central processor with a lot of I/O. That makes the economic case for it very different than for other PCs. July 1, 2013 - ZDNet