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

Another good resource to see how floating point numbers are stored as binary in computers is Wikipedia's page on IEEE-754.