I assume you know more about this than me, so can you help me understand this or direct me somewhere? The universe is constantly taking its current state (or in

I assume you know more about this than me, so can you help me understand this or direct me somewhere? The universe is constantly taking its current state (or infinity of relativistic frames and/or multiverses) and outputting its next state/states. Is that not definitionally a specialized computer? Are my assumptions wrong?