C.P.U., central processing unit, central processor, CPU, mainframe, processor - (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

constituent, element, component - an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system"

computer, computing device, computing machine, data processor, electronic computer, information processing system - a machine for performing calculations automatically

computer memory, computer storage, memory board, store, memory, storage - an electronic memory device; "a memory and the CPU form the central part of a computer to which peripherals are attached"

scheduler - computer hardware that arranges jobs to be done by the computer in an appropriate order

sequencer - computer hardware that sorts data or programs into a predetermined sequence

upgrade - hardware that provides better performance than an earlier version did

computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures