OfferinganaccessibleapproachtothetopicTheoryofComputationfocusesonthemetatheoryofcomputingandthetheoreticalboundariesbetweenwhatvariouscomputationalmodelscandoandnotdofromthemostgeneralmodeltheURMUnboundedRegisterMachinestothefiniteautomatonAwealthofprogramminglikeexamplesande