LOYOLA COLLEGE (AUTONOMOUS), CHENNAI600 034.
M.Sc. DEGREE EXAMINATION  STATISTICS
SECOND SEMESTER  APRIL 2003
ST 2803/ S 818 PROGRAMMING LANGUAGES
28.04.2003
1.00  4.00
Max: 100 Marks
PART  A
(10  2 = 20 Marks)
Answer ALL the questions
01. What is the output of the following program?
# include < iostream. h>
void main ( ).
{ int x, y, z;
x =10;
y = x++;
z = ++y;
cont <<y <<z; }
02. Explain the switch structure.
03. Write a program to get the output as
1
2
3
4
2
3
4
5
3
4
5
4
5
5
5
04. Write a recursive program to get the factorial of a number.
05. What is prototyping?
06. What is encapsulation?
07. Explain destructor.
08. What is a pointer variable?
09. What is the use of the dot operator and scope resolution operator while using
a class?
10. Explain strcpy ( ), strcat ( )
PART  B
(5  8 = 40 Marks)
Answer any FIVE questions.
11. Explain constructors with examples.
12. Explain structures with examples.
13. Write a program to find the largest element in a matrix.
1
14. Illustrate how runtime polymorphism is achieved with the help of virtual
functions.
15. Explain the following
i) ios : : in, ii) ios : : out
iii) ios : : ate iv) ios : : no create
v) ios: : bin vi) ios : : no replace.
(6  1 ½)
16. Illustrate the use of default arguments.
17. Illustrate with an example the use of friend functions.
18. Explain with an example passing objects as arguments.
PART  C
(2  20 = 40 Marks)
Answer any TWO questions
19. a) Using Trapezoidal rule, write a program to evaluate
b

f ( x) dx where f ( x) 
a
1
2 

e
1  x 


2   
2
b) Write a program to find without using a separate function for factorials
x3 x5 x7
Sin x = x     .....
(10 +10)
3! 5! 7!
with an error .0001 between the consecutive terms.
20. Explain the concept of function overloading and operator overloading
with examples.
(5 +15)
21. Explain the concept of simple inheritance, multiple inheritance and multilevel
inheritance with examples.
(4+8+8)
22. Write an interactive menu driven program that will create a data file containing
the telephone numbers and names of the customers and implement the
following tasks.
i)
Determine the telephone number of a given person.
ii)
Determine the name if a telephone number is known.
iii)
Update the telephone number whenever there is a change.
(20)
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