central processing unit
4.The most important processing hardware component is the central processing unit (CPU), which compreses the control unit and the arithmetic/logic unit (ALU).
7.electronic equipment not in direct communication (or under the control of) the central processing unit.
9.An integrated circuit that contains the entire central processing unit of a computer on a single chip.
10.A silicon chip that contains central processing unit. Microprocessors also control the logic of almost all digital devices.

