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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 8 of 11

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Q71.
What is the output of this program?
    #include <iostream>
    using namespace std;
    enum test 
    {
        A = 32, B, C
    };
    int main()
    {
        cout << A << B<< C;
        return 0;
    }
Discuss
Answer: (a).323334
Q72.
What is the output of this program?
    #include <iostream>
    using namespace std;
    enum colour {
        green, red, blue, white, yellow, pink
    };
    int main()
    {
        cout << green<< red<< blue<< white<< yellow<< pink;
        return 0;
    }
Discuss
Answer: (a).012345
Q73.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int main()
    {
        enum channel {star, sony, zee};
        enum symbol {hash, star};
        int i = 0;
        for (i = star; i <= zee; i++) {
            printf("%d ", i);
        }
        return 0;
    }
Discuss
Answer: (c).compile time error
Q74.
What is output of the this program?
    #include <iostream>
    using namespace std;
    int main()
    {
        int i;
        enum month {
            JAN = 1, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC
        };
        for (i = MAR; i <= NOV; i++)
            cout << i;
        return 0;
    }
Discuss
Answer: (c).34567891011
Discuss
Answer: (d).1 declares i,2 declares and defines i
Q76.
Pick the right option:

Statement 1:A definition is also a declaration.
Statement 2:An identifier can be declared just once.
Discuss
Answer: (b).Statement 2 is true, Statement 1 is false
Q77.
Which of the given statements are false.

1. extern int func;
2. extern int func2(int,int);
3. int func2(int,int);
4. extern class foo;
Discuss
Answer: (c).only 4
Q78.
Pick the right option:

Statement 1:Global values are not initialized by the stream.
Statement 2:Local values are implicitly initialised to 0.
Discuss
Answer: (c).Both are false
Q79.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int g = 100;
    int main()
    {
        int a;
        {
            int b;
            b = 20;
            a = 35;
            g = 65;
           cout << b << a << g;
        }
        a = 50;
        cout << a << g;
        return 0;
    }
Discuss
Answer: (a).2035655065
Q80.
Can two functions declare variables(non static) with the same name.
Discuss
Answer: (c).Yes, but not a very efficient way to write programs

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