*** - Contains components which enable it to execute instructions. Components include the control unit, buses, ALU and registers.

*** *** - Controls and coordinates activities of the CPU. Directs the flow of data.

*** - A set of parallel wires connecting two or more components.

The *** bus carries command and control signals to and from every other component of a computer.

The *** bus is the lines on the system bus that the CPU uses to send and receive data.

The *** bus is used to transfer information about where data should reside in memory.

The *** performs arithmetic and logical operations on the data.

The ALU can carry out *** logical operations such as AND, OR, NOT, XOR.

A *** is a special memory cell that has a specific purpose.

The *** *** is a register which holds the address of the next instruction to be executed.