Logic Gates
Internal Buses
Used for flow control
Fast memory locations that may be dedicated or general purpose
Link the control unit, and ALU and registers
Fetches, decodes and executes program instructions
Derived form the system clock (directly or indirectly)
Program Control Unit
Registers
Performs operations on data, such as addition, subtraction; fixed-point and floating-point arithmetic; Boolean logic
Internal Clock
Arithmetic & Logic Unit (ALU)
