C++ miscellaneous MCQ question and answer with solution | C++ Programimg MCQs Page-3 section-1

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11

21.
What is the purpose of the volatile keyword in C++?

A. To specify that a variable's value cannot be changed once initialized

B. To indicate that a variable may be changed unexpectedly by hardware or another thread

C. To specify that a function cannot be overridden

D. None of the above

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22.
Which of the following is not a valid C++ standard library container?

A. queue

B. deque

C. ArrayList

D. vector

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23.
What is the purpose of the const keyword in C++?

A. To indicate that a variable may be changed unexpectedly by hardware or another thread

B. To indicate that a variable cannot be modified

C. To specify that a function cannot be overridden

D. To specify that a variable's value cannot be changed once initialized

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24.
What does RAII stand for in C++?

A. Resource Acquisition Is Initialization

B. Resource Allocation Is Implementation

C. Resource Allocation Is Initialization

D. Resource Acquisition Is Implementation

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25.
Which class is used to design the base class?

A. abstract class

B. derived class

C. base class

D. derived & base class

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26.

What will be the output of the following C++ code?

#include <iostream>
#include <limits>
using namespace std;
int main( )
{
    cout << numeric_limits<float> :: is_exact;
    cout << numeric_limits<double> :: is_exact;
    cout << numeric_limits<long int> :: is_exact;
    cout << numeric_limits<unsigned char> :: is_exact;
}

A. 0010

B. 0012

C. 1100

D. 0011

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27.
Where does the abstract class is used?

A. base class only

B. derived class

C. both derived & base class

D. virtual class

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28.
Which is the best design choice for using pointer to member function?

A. Interface

B. Class

C. Structure

D. Block

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29.
What is an abstract class in C++?

A. Class specifically used as a base class with atleast one virtual functions

B. Class specifically used as a base class with atleast one pure virtual functions

C. Class from which any class is derived

D. Any Class in C++ is an abstract class

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30.
Which function is used to check whether a character is punctuation mark?

A. isxdigit()

B. isprint()

C. iscntrl()

D. ispunct()

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C++ miscellaneous MCQ question and answer with solution | C++ Programimg MCQs

21. What is the purpose of the volatile keyword in C++?

Answer & Solution

22. Which of the following is not a valid C++ standard library container?

Answer & Solution

23. What is the purpose of the const keyword in C++?

Answer & Solution

24. What does RAII stand for in C++?

Answer & Solution

25. Which class is used to design the base class?

Answer & Solution

Answer & Solution

27. Where does the abstract class is used?

Answer & Solution

28. Which is the best design choice for using pointer to member function?

Answer & Solution

29. What is an abstract class in C++?

Answer & Solution

30. Which function is used to check whether a character is punctuation mark?

Answer & Solution

Read More Section(C plus plus miscellaneous)

21.
What is the purpose of the volatile keyword in C++?

22.
Which of the following is not a valid C++ standard library container?

23.
What is the purpose of the const keyword in C++?

24.
What does RAII stand for in C++?

25.
Which class is used to design the base class?

27.
Where does the abstract class is used?

28.
Which is the best design choice for using pointer to member function?

29.
What is an abstract class in C++?

30.
Which function is used to check whether a character is punctuation mark?