Which of the following is not an arithmetic operator?

What is the sizeof  char in a 32-bit C compiler?

#include<stdio.h>
int main()
{
int i=(1,2,3);
printf("%d",i);
return 0;
}

 Which of the following correctly declares an array?

Which of the following is also called an abstract class?

 Wrapping data and its related functionality into a single entity is known as ____________ 

Which of the following correctly describes overloading of functions?

  Why references are different from pointers? 

 What is the output of this C code?

   void main()
    {
   int a = 5, b = -7, c = 0, d;
        d = ++a && ++b || ++c;
        printf("\n%d%d%d%d", a,  b, c, d);
    } 

How do structures and classes in C++ differ?