Can you use int and char as identifiers?

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

Which class is used to design the base class?

Which function is used to convert a date and time into a calendar format?

Which of the following does not require instantiation?

#define sqr(x) (x*x)

int main()

{

       int x, y = 1;

       x = sqr(y + 1);

       printf("%d", x);

       return 0;

}

What is Inheritance in C++?

#include

void main()

{

char *s1;

char far *s2;

char huge *s3;

printf("%d %d %d", sizeof(s1), sizeof(s2), sizeof(s3));

}

  Identify the correct sentence regarding inequality between reference and pointer.

What is the output of the following C program?

void main()

{

  struct emp

  {

    char name[20];

    int age;

    float sal;

  };

  struct emp e={"scott"};

  printf("%d %f",e.age,e.sal);

}