TheheartofthevonNeumanncomputerarchitectureistheCentralProcessingUnit(CPU),con-sistingofthecontrolunitandtheALU(ArithmeticandLogicUnit).TheCPUinteractswithamemoryandaninput/output(I/O)subsystemandexecutesastreamofinstructions(thecomputerprogram)thatprocessthedatastoredinmemoryand