FDE
Door A Ferdowsian
1. Decode
1.1. Control Unit
1.2. Register
1.2.1. ACCumulator
2. Execute
2.1. Arithmetic and Logic Unit
3. The decoded data is executed by
4. Fetch
4.1. Registers
4.1.1. Memory Address Register
4.1.2. Memory Data Register
4.1.3. Program Counter