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Download PTU B-Tech CSE-IT 2020 Dec 7th Sem 71894 Theory Of Computation Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (CSE-IT)- Computer Science Engineering -Information Technology 2020 December 7th Sem 71894 Theory Of Computation Previous Question Paper

This post was last modified on 13 February 2021

Tags:PTUB.TechCSEIT2020December7th SemTheory of ComputationQuestion Paper71894PDFDownload
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PTU B.Tech Question Papers 2020 December (All Branches)


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Roll No. Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CSE) (2012 to 2017) (Sem.-7)

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THEORY OF COMPUTATION
Subject Code : BTCS-702
M.Code : 71894
Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

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  1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
  2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt ANY FOUR questions.
  3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt ANY TWO questions.

SECTION-A

Answer Briefly :

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  1. Differentiate between NFA and DFA.
  2. What is a transition graph?
  3. What is Chomsky Classification of formal languages?
  4. What is a derivation tree?
  5. What are the basic operations for strings?

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  6. Define Union of Two Languages.
  7. What is ambiguity?
  8. Define Mathematical Induction.
  9. Define Terminal and Non-Terminal Symbol.
  10. Define Leftmost and Rightmost Derivation.

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SECTION-B

  1. Give regular expression to each of the subsets of {a,b} :
    1. Set of all strings containing exactly 2a’s
    2. Set of all strings containing substring aa.

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  2. What is NFA? Show with the help of graph.
  3. State pumping lemma for regular sets.
  4. What are the steps needed to reduce a context free grammar to an equivalent grammar in Chomsky Normal Form?
  5. Discuss the relation between languages and types of automata with help of diagram.

SECTION-C

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  1. Give proof for the statement: If L is a context free language, then we can construct a PDA A accepting L by empty store, i.e. L= N(A).
  2. Explain the following :
    1. What are properties of regular languages?
    2. What is Turing machine and its halting problem?
  3. Differentiate with example :
    1. Mealy and Moore Machine.

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    2. CNF and GNF.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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This download link is referred from the post: PTU B.Tech Question Papers 2020 December (All Branches)

This post was last modified on 13 February 2021