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

Code No: RR3105 Set No.2
III B.Tech. I Semester Supplementary Examinations, May 2005
PRINCIPLES OF PROGRAMMING LANGUAGES
( Common to Computer Science & Engineering and Computer Science &
Systems Engineering)
Time: three hours
ans any 5 ques.
All ques. carry equal marks
*********
Max Marks: 80
1. elaborate the significant characteristics of programming languages.
2. Why BNF is called a Meta language. How do you define syntax of a language
using BNF.
3. (a) Suppose a programming language supports implicit declarations. elaborate
the advantages and disadvantages of it.
(b) discuss extent with the help of example.
4. What is selection statement. discuss various kinds of selection statements.
5. (a) discuss how subprogram names are passed as parameters?
(b) discuss how subprogram is overloaded? provide examples.
6. discuss java threads with examples.
7. (a) discuss the basic concepts of exception handling.
(b) In what way C++ throw specification differs from throw clause in java.
8. (a) Draw the internal representation for the subsequent LISP statements.
i. (A B C D)
ii. (A (B C) D (E (F G)))
(b) provide brief description about data objects in LISP.
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Earning:   Approval pending.