Data Types Easy Questions and Answers

0545, 451245123245, ‘p’ and 0X3f are _____ _____ ____ and _____ literals respectively.

Correct Option: B

Literal integer constants that begin with 0x or 0X are interpreted as hexadecimal and the ones that begin with 0 as octal. The character literal are written within ”.

What will be the output of this program?

#include 
    using namespace std;
    int main()
    {
        int P = 20;
        cout << "Given integer 'P' with 'true' :" << P && true;
        return 0;
    }

Correct Option: A

Given integer 'P' with 'true' :20

What will be output of this program?

#include 
    using namespace std;
    int main()
    {
        int num = 5;
        int num0 = num / -10;
        int num1 = num % -10;
        cout << num0 << " "<< num1;
        return 0;
    }

Correct Option: C

Sign of result of mod operation on negative numbers is sign of the dividend.

What will be output of this function?

#include 
    using namespace std;
    int main()
    {
        register int p = 15;
        int *ptr = &p;
        cout << *ptr;
	    return 0;
    }

Correct Option: C

Using & on a register variable may be invalid, since the compiler may store the variable in a register, and finding the address of it is illegal.

Which of the following is not one of the sizes of the floating point types?

Correct Option: C

Floating point types occur in only three sizes-float, long double and double.

Data Types

Data Types

C++ Programming

Correct Option: B

Correct Option: A

Correct Option: C

Correct Option: C

Correct Option: C