Definitions of CPU
  1. 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, mainframe, processor
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    type of:
    electronic equipment, electronics
    equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
    computer hardware, hardware
    (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
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