Once powered up, the processor repeatedly goes through the cycle:
1. Fetch instruction at the address specified by the PC. 2. Decode and copy the instruction from the MDR into the IR 3. Execute the instruction 4. Check for hardware interrupts.
Once powered up, the processor repeatedly goes through the cycle:
1. Fetch instruction at the address specified by the PC. 2. Decode and copy the instruction from the MDR into the IR 3. Execute the instruction 4. Check for hardware interrupts.