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Welcome to the Data Types in C++ MCQs Page

Dive deep into the fascinating world of Data Types in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Types 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 Data Types 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++.

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Check out the MCQs below to embark on an enriching journey through Data Types 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 Data Types in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Types in C++ MCQs | Page 3 of 11

Q21.
How many characters are specified in the ASCII scheme?
Discuss
Answer: (b).128
Q22.
Select the right option.

Given the variables p, q are of char type and r, s, t are of int type
1. t = (r * s) / (r + s);
2. t = (p * q) / (r + s);
Discuss
Answer: (c).both 1 and 2 are true
Q23.
Which of the following belongs to the set of character types?
Discuss
Answer: (d).both wchar_t and char
Q24.
What will be the output of this program?
    #include <iostream>
    using namespace std;
    int main()
    {
        char c = 74;
        cout << c;
        return 0;
    }

a.

A

b.

N

c.

J

d.

I

Discuss
Answer: (c).J
Q25.
How do we represent a wide character of the form wchar_t?
Discuss
Answer: (a).L’a’
Q26.
What is the output of this program?
    #include <stdio.h>
    int main()
    {
        char a = '\012';
 
        printf("%d", a);
        return 0;
    }
Discuss
Answer: (c).10
Q27.
In C++, what is the sign of character data type by default?
Discuss
Answer: (c).Implementation dependent
Q28.
Is the size of character literals different in C and C++?
Discuss
Answer: (c).Yes, they are different
Q29.
Suppose in a hypothetical machine, the size of char is 32 bits. What would sizeof(char) return?
Discuss
Answer: (b).1
Q30.
What constant defined in <climits> header returns the number of bits in a char?
Discuss
Answer: (d).CHAR_BIT
Page 3 of 11

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