Jawaharlal Nehru Technological University Hyderabad 2005-1st Sem B.E Computer Science PRINCIPLES OF PROGRAMMING LANGUAGES III B.TechRegular s, emr set 2 - Question Paper

Code No: RR310505 Set No. 2
III B.Tech I Semester Regular Examinations, November 2005
PRINCIPLES OF PROGRAMMING LANGUAGES
(Common to Computer Science & Engineering and Computer Science &
Systems Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. (a) Exception handling is very important, but often neglected by programming
Languages. Comment on it. [6]
(b) elaborate the disadvantages of aliasing? [5]
(c) Readability and writability influence the reliability. Comment on it. [5]
2. (a) In what way do operational semantics differ from denotational semantics.[8]
(b) What purpose do predicates serve in an attribute grammar. [8]
3. A variable is more than a name provided to a memory location. elaborate the
attributes of a variable. discuss in detail. [16]
4. explain implementation problems associated with pointer and reference data
types. [16]
5. (a) explain about true parameters, positional parameters and keyword
parameters. [8]
(b) discuss the general subprogram characteristics. [8]
6. How message passing is implemented in Ada ? discuss. [16]
7. (a) explain Terms and Goal statements in prolog. [8]
(b) discuss prolog interfacing process. [8]
8. (a) provide brief description about functions in Haskell. [8]
(b) discuss functions with examples in ML. [8]

Earning:   Approval pending.