Rajiv Gandhi Proudyogiki Vishwavidyalaya 2011-6th Sem B.E Computer Science and Engineering .(ester) - exam paper

B.E.(sixth semester) EXAMINATION,June.2011

PRINCIPLES OF PROGRAMMING LANGUAGES

 

UNIT-1

 

Note : Attempt any five questions. All questions carry equal marks.

 

1.(a) Explain object oriented programming and logic programming with examples.MARK:[10]

(b) Explain the steps of compilation in PPL. MARK : [10]

 

2.(a) Explain the difference between in type coherence and type equivalence. MARK:[10]

(b) What do you mean by Aliasing and Overloadind ?MARK:[10]

 

3.(a) Consider the example program,discuss the call by reference and call by value:

Swap (a[i],a[j])

What happens if i=j ?

Swap (int x,int y)

{

x=x+y;

y=x-y;

x=x-y;

} MARK:[10]

(b) Explain design issues of subprogram and parameter passing methods. MARK:[10]

 

4.(a) Explain the phases of grammar. MARK:[10]

(b) Why pointer is necessary in any programming languagues ? MARK:[10]

 

5.(a) What is the scope of a loop parameter in Ada ? Compare it with static and dynamic scope. MARK:[10]

(b) Which language treat all parameter having the same priority in what order the operations performed ? MARK:[10]

 

6.(a) Disscuss the effect of the global variable on the writability and readability of large program. MARK:[10]

(b) What do you mean by co-routines ? Explain.MARK:[10]

 

7.(a) Explain the procedure of encapsulation and message passing in programming language. MARK:[10]

(b) What the working procedure of exception handling C++.MARK:[10]

 

8. Write short notes on any four of the following : MARK:[20]

(a) Functional programming languages

(b) Java threads

(c) Fundamentals of subprograms

(d) Parse tree

(e) Error handling