C++ Data Types Test – 2

1. Find the odd one out.

2. What happens when a null pointer is converted into bool?

3. What is the value of the bool?

bool is_int(789.54)

4. Evaluate the following.

   (false && true) || false || true

5. Which of the following statements are false?

6. For what values of the expression is an if-statement block not executed?

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

    #include <iostream>
    using namespace std;
    int f(int p, int q)
    {
        if (p > q)
            return p;
        else
            return q;
    }
    main()
    {
        int a = 5, b = 10;
        int k;
        bool x = true;
        bool y = f(a, b);
        k =((a * b) + (x + y));
        cout << k;
    }

8. What is the value of p in the following C++ code?

    #include <iostream>
    using namespace std;
    int main()
    {
        int p;
        bool a = true;
        bool b = false;
        int x = 10;
        int y = 5;
        p = ((x | y) + (a + b));
        cout << p;
        return 0;
    }

9. Is bool a fundamental data type in C++?

10. Which of the two operators ++ and -- work for the bool data type in C++?