AMIETE – CS/IT (NEW SCHEME) – Code: AC55/AT55
Subject: OBJECT ORIENTED PROGRAMMING WITH C++
Time: 3 Hours Max. Marks: 100
NOTE: There are 9 Questions in all.
· Question 1 is compulsory and
carries 20 marks. Answer to Q. 1 must be written in the space provided for it
in the answer book supplied and nowhere else.
· Out of the remaining EIGHT
Questions answer any FIVE Questions. Each question carries 16 marks.
· Any required data not
explicitly given, may be suitably assumed and stated.
Q.1 Choose
the correct or the best alternative in the following: (2
10)
a. The following C++ codes results in
#include "iostream.h"
void
main(void)
{
cout<< (int i=5) << (int j= 6);
}
(A) compilation error (B) run time error
(C) link time error (D) none of the above
b. C++ was originally developed by
(A) Clocksin and Mellish (B) Donald E. Knuth
(C) Sir Richard Hadlee (D) Bjarne Stroustrup
c. A constructor
is called whenever
(A) an object is declared (B) an object is used
(C) a class is declared (D) a class is used
d. The declaration int x; int &p =x; is same as the
declaration int x, *p; p = &x;
This remark is
(A) true (B) false
(C) sometimes true (D) none of the above
e. Which of the
following is not a storage class supported by C++
(A) register (B) auto
(C) mutable (D) dynamic
f. The compiler
identifies a virtual function to be pure
(A) by the presence of the keyword pure
(B) by its location in the
program
(C) if it is equated to 0
(D) none of the above
g. The fields in a structure of a C program are by
default
(A) protected (B) public
(C) private (D) none of the above
h. Overloading is
otherwise called as
(A) virtual polymorphism (B) transient polymorphism
(C) pseudo polymorphism (D) ad-hoc polymorphism
i. A function abc is defined as
void abc(int x=0, int y=0)
{ cout<< x
<< y ;}
which
of the following function calls is/are illegal? ( Assume h, g are declared as
integers )
(A) abc(); (B) abc(h);
(C) abc(h,h); (D) None of the above
j. For a method
to be an interface between the outside world and a class, it has to be declared
(A) private (B) protected
(C) public (D) external
Answer any FIVE Questions out
of EIGHT Questions.
Each question carries 16
marks.
Q.2 a. Explain the benefits of object orientation. (8)
b. Explain the
following terms:
(i) Encapsulation (ii) Abstraction
(iii) Inheritance (iv) Polymorphism (8)
Q.3 a. Write
a program in C++ which generates the following pattern:
5 5 5 5
4 4 4 4
3 3 3
2 2
1 (6)
b. Differentiate between Array and Structure. (4)
c. Write a C++
program to insert an element into an array. (6)
Q.4 a. What
is inline function? Give an example. (4)
b. Explain
scope resolution operator :: and its application in C++. (6)
c. Define
recursion. Write a program which calculates the sum of the series 1+2+3+…..+ n
using recursion. (6)
Q.5 a. How do we create a constructor with default
argument? (6)
b. What are the
various access levels used in the declaration of classes? (6)
c. Write
a program in C++ that defines a class called person with data members name and age. (4)
Q.6 a. Differentiate
between member functions and friend functions. (4)
b. List the operators in C++ which cannot be
overloaded. (4)
c. Write
a program that has a class called POINT which stores coordinates in (x, y) form. Define constructor, destructor and overloaded
‘-’ operator to calculate distance between two points. (8)
Q.7 a. Differentiate between public and private
inheritance. (8)
b. Write a program to find whether three given
numbers A,B and C passed through command line arguments form Pythagorean
triplets or not. The program should take
command line arguments and through a function call check whether they form
Pythagorean triplets or not. (8)
Q.8 a. Define
a template. Can a template function be overloaded? If yes, explain how. (7)
b. Create generic functions that return the
mean, median and mode of an array
of
values. (9)
Q.9 a. Explain the components of STL. (8)
b. What
are the different forms of get() functions of istream class? Illustrate the uses by citing proper
examples. (8)