AMDOCS Polymorphism Quiz-1

Question 1

Time: 00:00:00
Which among the following can show polymorphism?

a) Overloading ||

a) Overloading ||

b) Overloading +=

b) Overloading +=

c) Overloading <<

c) Overloading <<

d) Overloading &&

d) Overloading &&

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Question 2

Time: 00:00:00
What is output of the following program?
class student
{
public : int marks;
void disp()
{
cout<<”its base class”
};
class topper:public student
{
public :
void disp()
{
cout<<”Its derived class”;
}
}
void main() { student s; topper t;
s.disp();
t.disp();
}

a) Its base classIts derived class

a) Its base classIts derived class

b) Its base class Its derived class

b) Its base class Its derived class

c) Its derived classIts base class

c) Its derived classIts base class

d) Its derived class Its base class

d) Its derived class Its base class

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Question 3

Time: 00:00:00
Which among the following can’t be used for polymorphism?

a) Static member functions

a) Static member functions

b) Member functions overloading

b) Member functions overloading

c) Predefined operator overloading

c) Predefined operator overloading

d) Constructor overloading

d) Constructor overloading

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Question 4

Time: 00:00:00
In case of using abstract class or function overloading, which function is supposed to be called first?

A) Local function

A) Local function

B) Function with highest priority in compiler

B) Function with highest priority in compiler

C) Global function

C) Global function

D) Function with lowest priority because it might have been halted since long time, because of low priority

D) Function with lowest priority because it might have been halted since long time, because of low priority

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Question 5

Time: 00:00:00
Which type of function among the following shows polymorphism?

a) Inline function

a) Inline function

b) Virtual function

b) Virtual function

c) Undefined functions

c) Undefined functions

d) Class member functions

d) Class member functions

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Question 6

Time: 00:00:00
Which class/set of classes can illustrate polymorphism in the following code:
abstract class student
{
public : int marks;
calc_grade();
}
class topper:public student
{
public : calc_grade()
{
return 10;
}
};
class average:public student
{
public : calc_grade()
{
return 20;
}
};
class failed{ int marks; };

a) Only class student can show polymorphism

a) Only class student can show polymorphism

b) Only class student and topper together can show polymorphism

b) Only class student and topper together can show polymorphism

c) All class student, topper and average together can show polymorphism

c) All class student, topper and average together can show polymorphism

d) Class failed should also inherit class student for this code to work for polymorphism

d) Class failed should also inherit class student for this code to work for polymorphism

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Question 7

Time: 00:00:00
If same message is passed to objects of several different classes and all of those can respond in a different way, what is this feature called?

a) Inheritance

a) Inheritance

b) Overloading

b) Overloading

c) Polymorphism

c) Polymorphism

d) Overriding

d) Overriding

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Question 8

Time: 00:00:00
Which among the following is the language which supports classes but not polymorphism?

a) SmallTalk

a) SmallTalk

b) Java

b) Java

c) C++

c) C++

d) Ada

d) Ada

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Question 9

Time: 00:00:00
What do you call the languages that support classes but not polymorphism?

a) Class based language

a) Class based language

b) Procedure Oriented language

b) Procedure Oriented language

c) Object-based language

c) Object-based language

d) If classes are supported, polymorphism will always be supported

d) If classes are supported, polymorphism will always be supported

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Question 10

Time: 00:00:00
Which among the following best describes polymorphism?

a) It is the ability for a message/data to be processed in more than one form

a) It is the ability for a message/data to be processed in more than one form

b) It is the ability for a message/data to be processed in only 1 form

b) It is the ability for a message/data to be processed in only 1 form

c) It is the ability for many messages/data to be processed in one way

c) It is the ability for many messages/data to be processed in one way

d) It is the ability for undefined message/data to be processed in at least one way

d) It is the ability for undefined message/data to be processed in at least one way

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["0","40","60","80","100"]
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July 8, 2019