Theory of Computation(ToC)

->Chapter 1:Regular Language (RL,FA,RE ,Pumping lemma)

->Chapter 2: Context free Language [Grammar(RG,CFG),CFL,PDA, Pumping lemma]

->Chapter 3: Recursive enumerable Language [CSL, LBA ,RS,RES,TM]

->Chapter 4: Undecidability(Undecidable, Rice Theorem ,Reducibility, PCP)