Whats a control unit
Coordinates timing, and how to move the data around
Whats a accumulatir
Stores the result of an operation
Memory address register (MAR)
Holds the address of the current information that is to be fetches from memory
Memory data register
Holds that data that has been retrieved from memoey
Whats 2 sublist made when decoding
Operand and opcode
Whats a current instruction register
Holds the instruction currently being executed