notes For RGPV Bhopal CBCS CBGS Students

  • Theory of Computation (IT-5001)

    Theory of Computation (IT-5001) RGPV notes CBGS Bachelor of engineering


    UNIT 1:
    Introduction of the theory of computation, Finite state automata – description of finite automata, properties of transition functions, Transition graph, designing finite automata, FSM, DFA, NFA, 2-way finite automata, equivalence of NFA and DFA, Mealy and Moore machines.

    UNIT 2:
    Regular grammars, regular expressions, regular sets, closure properties of regular grammars, Arden’s theorem, Myhill-Nerode theorem, pumping lemma for regular languages, Application of pumping lemma, applications of finite automata, minimization of FSA.

    UNIT 3:
    Introduction of Context-Free Grammar - derivation trees, ambiguity, simplification of CFGs, normal forms of CFGs- Chomsky Normal Form and Greibach Normal forms, pumping lemma for CFLs, decision algorithms for CFGs, designing CFGs, Closure properties of CFL’s.

    UNIT 4:
    Introduction of PDA, formal definition, closure property of PDA, examples of PDA, Deterministic Pushdown Automata, NPDA, conversion PDA to CFG, conversion CFG to PDA.

    UNIT 5:
    Turing machines - basics and formal definition, language acceptability by TM, examples of TM, variants of TMs – multitape TM, NDTM, Universal Turing Machine, offline TMs, equivalence of single tape and multitape TMs. Recursive and recursively enumerable languages, decidable and undecidable problems – examples, halting problem, reducibility. Introduction of P, NP, NP complete, NP hard problems and Examples of these problems.


    Books Recommended

    1. Daniel I.A. Cohen,“Introduction to Computer Theory”,Wiley India.
    2. John E. Hopcroft, Jeffrey D.Ullman and Rajeev Motwani, “Introduction to Automata Theory, Languages and Computation”, Pearson Education.
    3. K.L.P Mishra & N.Chandrasekaran,“Theory of Computer Science”, PHI Learning.
    4. Peter Linz, “Introduction to Automata Theory and Formal Languages”, Narosa Publishing.
    5. John C Martin, “Introduction to languages and the theory of computation”, TATA McGraw Hill.

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