What happens during the fetch execute cycle?

Fetch -Copying the next program instruction from memory to CIR 1) The memory address in program counter is copied to MAR 2)The contents of the of the address given in the MAR is copied to MDR 3)The contents of the MDR is copied to CIR 4) Program counter increases by 1 Decode Preparing to execute the instructions Execute The control unit sends instructions to the other devices telling them what to do