Choose the correct answer

Object Oriented Programming with C++

Polymorphism

Evaluation

Choose the correct answers

1. Which of the following refers to a function having more than one distinct meaning?

(A) Function Overloading

(B) Member overloading

(C) Operator overloading

(D) Operations overloading

2. Which of the following reduces the number of comparisons in a program ?

(A) Operator overloading

(B) Operations overloading

(C) Function Overloading

(D) Member overloading

3. void dispchar(char ch=’$’,int size=10)

{

for(int i=1;i<=size;i++)

cout<<ch;

}

How will you invoke the function dispchar() for the following input?

To print $ for 10 times

(A) dispchar();

(B) dispchar(ch,size);

(C) dispchar($,10);

(D)dispchar(‘$’,10 times);

4. Which of the following is not true with respect to function overloading?

(A) The overloaded functions must differ in their signature.

(B) The return type is also considered for overloading a function.

(C) The default arguments of overloaded functions are notconsidered for Overloading.

(D) Destructor function cannot be overloaded.

5. Which of the following is invalid prototype for function overloading

(A) void fun (intx);

void fun (char ch) ;

(B) void fun (intx);

void fun (inty);

(C) void fun (double d);

void fun (char ch);

(D) void fun (double d);

void fun (inty);

6. Which of the following function(s) combination cannot be considered as

overloaded function(s) in the given snippet ?

void print(char A,int B); // F1

void printprint(int A, float B); // F2

void Print(int P=10); // F3

void print(); // F4

(A) F1,F2,F3,F4

(B) F1,F2,F3

(C) F1,F2,F4

(D) F1,F3,F4

7. Which of the following operator is by default overloaded by the compiler?

(A) *

(B) +

(C) +=

(D) ==

(E) =

Based on the following program answer the questions (8) to (10)

#include<iostream>

using namespace std;

class Point {

private:

int x, y;

public:

Point(int x1,int y1)

{

x=x1;y=y1;

}

void operator+(Point &pt3);

void show() {cout << "x = " << x << ", y = " << y; } };

void Point::operator+(Point &pt3)

{

x += pt3.x;

y += pt3.y;

}

int main()

{

Point pt1(3,2),pt2(5,4);

pt1+pt2;

pt1.show();

return 0;

}

8. Which of the following operator is overloaded?

(A) +

(B) operator

(C) ::

(D) =

9. Which of the following statement invoke operator overloading?

(A) pt1+pt2;

(B) Point pt1(3,2),pt2(5,4);

(C) pt1.show();

(D) return 0;

10. What is the output for the above program?

(A) x=8, y=6

(B) x=14, y=14

(C) x=8, y=6

(D) = x=5, y=9