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Dictionary Suite
CPU abbreviation of "central processing unit," (in computing) the part of a computer that interprets program commands and executes its instructions.
motherboard the main printed circuit board of a personal computer, which holds chips containing the central processing unit, memory, ports, and the integrated circuits that control the keyboard and other standard peripheral devices, and to which additional circuit boards can be attached.
processor a central processing unit of a computer; CPU. [1/4 definitions]
system unit the main constituent of a computer, which houses the central processing unit and other essential components.