Welcome to the Functions in C++ MCQs Page

Dive deep into the fascinating world of Functions in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Functions in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Functions in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.

Check out the MCQs below to embark on an enriching journey through Functions in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Functions in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Functions in C++ MCQs | Page 20 of 30

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Q191.

Which of the following statement is correct?

Overloaded functions can have at most one default argument.

An overloaded function cannot have default argument.

All arguments of an overloaded function can be default.

A function if overloaded more than once cannot have default argument.

Discuss

Answer: (c).All arguments of an overloaded function can be default.

Q192.

Which of the following statement is correct?

Two functions having same number of argument, order and type of argument can be overloaded if both functions do not have any default argument.

Overloaded function must have default arguments.

Overloaded function must have default arguments starting from the left of argument list.

A function can be overloaded more than once.

Discuss

Answer: (d).A function can be overloaded more than once.

Q193.

Which of the following statement will be correct if the function has three arguments passed to it?

The trailing argument will be the default argument.

The first argument will be the default argument.

The middle argument will be the default argument.

All the argument will be the default argument.

Discuss

Answer: (a).The trailing argument will be the default argument.

Q194.

Which of the following statement is incorrect?

Default arguments can be provided for pointers to functions.

A function can have all its arguments as default.

Default argument cannot be provided for pointers to functions.

A default argument cannot be redefined in later declaration.

Discuss

Answer: (c).Default argument cannot be provided for pointers to functions.

Q195.

Which of the following statement is correct?

Constructors can have default parameters.

Constructors cannot have default parameters.

Constructors cannot have more than one default parameter.

Constructors can have at most five default parameters.

Discuss

Answer: (a).Constructors can have default parameters.

Q196.

Which of the following function / type of function cannot be overloaded?

Member function

Static function

Virtual function

Both B and C

Discuss

Answer: (c).Virtual function

Q197.

Which of the following function declaration is/are incorrect?

int Sum(int a, int b = 2, int c = 3);

int Sum(int a = 5, int b);

int Sum(int a = 0, int b, int c = 3);

Both B and C are incorrect.

Discuss

Answer: (d).Both B and C are incorrect.

Q198.

Which of the following statement is incorrect?

The default value for an argument can be a global constant.

The default arguments are given in the function prototype.

Compiler uses the prototype information to build a call, not the function definition.

The default arguments are given in the function prototype and should be repeated in the function definition.

Discuss

Answer: (d).The default arguments are given in the function prototype and should be repeated in the function definition.

Q199.

Where the default value of parameter have to be specified?

Function call

Function definition

Function prototype

Both B or C

Discuss

Answer: (c).Function prototype

Q200.

Which of the following statement is correct?

The default value for an argument cannot be function call.

C++ allows the redefinition of a default parameter.

Both A and B.

C++ does not allow the redefinition of a default parameter.

Discuss

Answer: (d).C++ does not allow the redefinition of a default parameter.

Page 20 of 30

Welcome to the Functions in C++ MCQs Page

Functions in C++ MCQs | Page 20 of 30

Explore more Topics under Object Oriented Programming Using C++

Basics of C++ Programming

Data Types in C++

Pointers,Arrays and Structures in C++

Namespaces and Exceptions in C++

Classes and Operator Overloading in C++

Derived Classes,Templates and Exception Handling in C++

Class Hierarchies,Library and Containers

Objects and Iterators in C++

Strings,Streams and Numerics in C++

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