Definition of CPU

n.1.(Computers) The central processing unit, that part of the electronic circuitry of a computer in which the arithmetic and logical operations are performed on input data, which are thereby converted to output data; it is usually located on the mainboard, or motherboard, of a computer. The CPU and the memory form the central part of a computer to which the peripherals are attached. Most personal computers as of 1998 had only one CPU, but some computers may have more than one CPU.


Related Words

C.P.U., central processing unit, central processor, computer, computer hardware, computer science, computing, computing device, computing machine, CPU board, data processor, electronic computer, electronic equipment, hardware, information processing system, mainframe, mother board, processor

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