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 16 of 30

Explore more Topics under Object Oriented Programming Using C++

01

Basics of C++ Programming

02

Data Types in C++

03

Pointers,Arrays and Structures in C++

04

Namespaces and Exceptions in C++

05

Classes and Operator Overloading in C++

06

Derived Classes,Templates and Exception Handling in C++

07

Class Hierarchies,Library and Containers

08

Objects and Iterators in C++

09

Strings,Streams and Numerics in C++

Q151.

A predefined function that may be used to handle memory allocation errors is

handle_error

set_new_handler

new_fix

memory_error

Discuss

Answer: (b).set_new_handler

Q152.

The _____ function returns the uppercase equivalent of a character

caseupper

charupper

toupper

uCase

Discuss

Answer: (c).toupper

Q153.

Typing the function's name as Main, rather than main, is an example of

an entry error

a function error

a logic error

a syntax error

Discuss

Answer: (d).a syntax error

Q154.

A function argument is

a variable in the function that receives a value from the calling program

a way that functions resist accepting the calling program's values

a value sent to the function by the calling program

a value returned by the function to the calling program

Discuss

Answer: (c).a value sent to the function by the calling program

Q155.

A function that is prototyped as double calculate(int num); may______

receive an integer constant such as 5

receive an integer variable

either (a) or (b)

neither (a) nor (b)

Discuss

Answer: (c).either (a) or (b)

Q156.

Passing a variable pointer as a constant _____

protects the contents pointed to by the pointer from change

eliminates the need to name the pointer in the function

eliminates the need to give the pointer a type in the function

causes a copy of the pointer to be produced in the function

Discuss

Answer: (a).protects the contents pointed to by the pointer from change

Q157.

Recursive Functions

easier to code

executable faster than iterative ones

takes less main storage space

necessary to solve a certain class of problems

Discuss

Answer: (d).necessary to solve a certain class of problems

Q158.

Any output manipulator function you create _____

should take as an argument an instance of ostream as a reference

should return void

must be a member function of the ostream class

must inherit ostream

Discuss

Answer: (a).should take as an argument an instance of ostream as a reference

Q159.

To pass an array by reference, you

must include the address-of (&) operator before the array's name

must include the number symbol (#) before the array's name

do not have to do anything because arrays are automatically passed by reference

None of the above

Discuss

Answer: (c).do not have to do anything because arrays are automatically passed by reference

Q160.

Which is a good reason for passing a variable's address to a function?

the function will have a copy of the variable

the function cannot change the value of the variable in the calling function

C++ requires that all variables used in a function be passed by address

the called function can change the value of the variable in the calling function

Discuss

Answer: (d).the called function can change the value of the variable in the calling function

Page 16 of 30

Welcome to the Functions in C++ MCQs Page

Functions in C++ MCQs | Page 16 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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