unit which generally incorporates the main storage, the arithmetical and logical elements and the control elements; the main part of the computer, i.e. the arithmetic or logic unit, a functional unit that consists of one or more processors and their internal storages, ühest või mitmest protsessorist ja nende sisemäludest koosnev funktsionaalüksus, keskprotsessorit sisaldav töötlusseade