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Posted By: k vishaal Member Level: Gold Posted Date: 05 Sep 2008
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2008 Jawaharlal Nehru Technological University Code No: R05310505 Set No. 1,III B.Tech I Semester Supplimentary Examinations, February 2008,PRINCIPLES OF PROGRAMMING LANGAUGES Question paper
Code No: R05310505 Set No. 1
III B.Tech I Semester Supplimentary Examinations, February 2008
PRINCIPLES OF PROGRAMMING LANGAUGES
(Computer Science & Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Explain about von Neumann computer architecture and the programming
language paradigm dictated by the architecture.
(b) Briefly discuss the list of criteria for language evaluation. [8+8]
2. (a) Distinguish between language recognizers and language generators.
(b) Give BNF and EBNF versions of grammar for expressions in ‘C’ language
[6+10]
3. (a) How can enumeration types be implemented in languages that do not have
enumeration types and what are the problems associated with such imple-
mentations?
(b) What are the advantages and disadvantages of static variables?
(c) Explain pointers in C and C++ . [4+6+6]
4. (a) Explain two-way selectors and their design issues.
(b) Explain in detail relational expressions, Boolean expressions and short-circuit
evaluations. [8+8]
5. (a) What are advantages and disadvantages of dynamic local variables?
(b) In what ways coroutines different from conventional subprograms?
(c) What is parametric polymorphism? [5+6+5]
6. (a) Briefly explain about naming encapsulation.
(b) Describe the two problems that appear in the construction of large programs
that led to the development of encapsulation constructs. [8+8]
7. (a) Discuss about basic elements of prolog. Give examples.
(b) Write a prolog description of your family tree (based only on facts),going back
to your grand parents and including all descendants. Be sure to include all
relationships. [8+8]
8. (a) Explain main features of imperative languages.
(b) Write a LISP function fib(n) that computes nth Fibonacci number. [8+8]
? ? ? ? ?
1 o
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