exact representation of floating points in c

Question

void main()
{
    float a = 0.7;

    if (a < 0.7)
        printf(\"c\");
    else
        printf(\"c++\");
} 

In the above question for 0.7, \"

Answer 1

The internal representation is IEE754.

You can also use this calculator to convert decimal to float, I hope this helps to understand the format.