What is the output of the program on a 64-bit system?

A preprocessor directive is a message from programmer to the preprocessor.

 To which of these enumerators can be assigned?

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

From which of the following standard C header files does the calloc() function belong to?

Which features are required for a programming language to be considered a pure object-oriented language?

 What would be the asymptotic time complexity to add a node at the end of singly linked list, if the pointer is initially pointing to the head of the list? 

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

#include <iostream>

using namespace std;

int main() {

int n;

n = 43;

cout << hex << n << endl;

return 0;

}

 What will be the output of the following code? 

 #include <stdio.h>

void main()

{

int x[3] = {1, 2, 3}

int *p = x;

printf("%p\t%p", p, x);

}

What will be the output of the following C program?

#include<stdio.h>

int main()

{

  int i=1,j=2;

  switch(i,j)

  {

     default:

       printf("LAST ");

       break;

     case 3:

       printf("THREE ");

       break;

     case 2:

       printf("TWO ");

       break;

     case 1:

       printf("ONE ");

       break;

   }

}