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June 16th, 2014, 03:56 PM
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Join Date: Mar 2012
PTU MCA 3rd Sem Question Papers

Here I am looking for the PTU MCA 3rd Sem Question Papers, will you please provide me the same???

As per your request here I am sharig the PTU MCA 3rd Sem Question Papers:


Part A
(a) Which are the writing tools in compiler?
(b) A compiler is described as a translator? Could any of its phases be described as interprators? Which
ones and why?
(c) What is Bootstrapping in Compiler?
(d) Differentiate local optimization and loop optimization.
(e) What are regular set and regular expressions?
(f) What are the duties of book keeping and error handler?
(g) Write storage allocation strategies.
(h) Write the regular expression notations?
(i) What are the properties of regular set?
(j) Write a grammer whose sentences are the regular expressions over the alphabet(a,b)
(k) What are the dynamic storage allocation techniques?
(l) What are the assignment statements?
(m) Write the applications of DAG?
(n) Write problems in code generation phase.
(o) Justify loop optimization technique.

Section B 5x9=45
2. Draw and explain a parse tree for the following IF-Statement IF A>B & A<=2* B-5 THAN A;+A=B
3. Write about following: Parser generator , automatic code generator and syntax directed translation
engine.
4. Determine and describe the large scale structure and intermediate code of a compiler in use in your
computing environment. What section of compiler are optionally executed under user control?
5. Write about the following: Scanner generator, automatic code generator and data flow engine
6. Draw the flow chart of pass –I compiler.
7. Let R be some relation on a set A. Explain all the three properties of the relation.
8. Translate the arithemetic expression a*-(b+c) into
(a) A syntax tree (b) Postfix notation
(c) Three- address code
9. Construct a finite automata that will accept string of zeros and ones tha5t contain even numbers of
zeros and odd numbers of ones.
10. How we do minimization and optimization of a DFA.
11. Compare recursive – descent parsing and non recursive predictive parsing.
12. Write the algorithm for code- generation
13. Cosider the grammer S-> (L)|aL->L,S|S
(a) What are the terminals, non terminals and start symbol?
(b) What language does this grammer generate?

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Last edited by Neelurk; April 18th, 2020 at 02:32 PM.
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