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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. 2,III B.Tech I Semester Supplimentary Examinations, February 2008,PRINCIPLES OF PROGRAMMING LANGAUGES Question paper
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Code No: R05310505 Set No. 2
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. Explain language evaluation criteria and the characteristics that affect them. [16]
2. (a) In what fundamental way do operational semantics and denotational semantics
differ?
(b) What are the difficulties in using an attribute grammar to describe all of the
syntax and static semantics of a contemporary programming language?
(c) Explain with an example how operator associativity can be incorporated in
grammars. [5+5+6]
3. (a) What are the advantages and disadvantages of implicit declaration?
(b) Evaluate the two approaches for supporting dynamic allocation and dealloca-
tion for dynamic length strings.
(c) Explain in detail arrays, indices, subscript bindings, and array categories.
[4+4+8]
4. Discuss in detail selection statements and their design issues. [16]
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. Explain the following terms :
(a) Message passing
(b) Concurrency in Ada
(c) Monitors [6+5+5]
7. Explain exception handling mechanism in C++. Illustrate with appropriate C++
programs. [16]
8. (a) Explain structures and arrays in ML give examples.
(b) Discuss briefly about expressions in ML. [8+8]
? ? ? ? ?
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