Chapter 11: Virtual Functions & Polymorphism – Online Education & Certification

Results

#1. C++ is _________ Programming language.

Java

None

OOPS

#2. Main() returns _________ type of value.

Not Return

Return

None

Values

#3. :: is called as _______ Operator.

Scope Resolution Operator

Arithmetic Operator

Assignment Operator

Relational Operator

#4. OOP stands for _______________

Object Oriented Programming

Object Orderable Program

Oriented Object Program

None

#5. Manipulator funcion exist in ______________

Stream

String

Output

Input

#6. Size of double data type is _____ byte.

#7. >> symbol denotes ___________

Left Shift

Right Shift

Increment

Decrement

#8. Encapsulation means _____________

Wrap up of data and function

Set of data and function

Edit of data and function

None

#9. C++ is a __________ Level language.

High

Low

Middle

None

#10. ___________ is describes multiple possible states for a single property.

Virtual

Polymoryphism

Operator

Function

#11. _________ is the process of using an operator or function in different ways for different set of inputs given.

Inheritance

Virtual

Overloading

Polymorphism

#12. Compiler determines which function is used based on the parameters passed to the function, this happen during compilation time is known as ___________

Early binding

Static Binding

Compile time polymorphism

All the above

#13. ________ is the process of defining a number of objects of different classes into a group and calls the methods to carry out the operation of the objects using different function calls.

Polymorphism

Function Overloading

Operator Overloading

Compile time polymorphism

#14. _________ is the type of object or pointer may not be known at the time of compilation since they are created dynamically at run time.

Polymorphism

Compile time polymorphism

Run time polymorphism

Virtual functions

#15. __________ function is a member function of a class whose functionality can be over-ridden in its derived classes.

Polymorphism

Operator

Function

Virtual

#16. ________ is a member function of a class.

Polymorphism

Operator

Function

Virtual

#17. A _________ function call is resolved at run time.

Virtual

Polymorphism

Operator

Function

#18. Virtual function can be declared by _________ keyword.

operator

function

virtual

base

#19. Virtual function cannot be _________ members.

automatic

external

static

#20. Virtual function can be accessed by using object __________

Pointer

Function

Operator

Class

#21. Virtual function can be ________ of another class.

Function

Operator

Class

Friend

#22. A __________ function in a base class must be defined even though it may not be used.

Virtual

Operator

Function

Polymorphism

#23. In Virtual function, we cannot have virtual constructor but we can have virtual _________

Function

Class

Pointer

Destructor

#24. If a virtual function is defined in the base class, it need not be necessarily redefined in the ______ class.

Base

Defined

Derived

Abstract

#25. A class which consist atleast one pure virtual function is called an __________ base class.

virtual

abstract

pure

derived

Finish