Question

QUESTION 9

1. What will be the output of following code snippet?

   int a[3] = {1, 2, 3};

           int *p = a;

           int **r = &p;

           printf("%p %p", *r, a);

   	A.	Different memory addresses printed
   	B.	1 2
   	C.	Same memory address printed twice
   	D.	1 1

2 points   

QUESTION 10

1. What will be the output of following code snippet?

   int arr[4] = {1, 2, 3, 4};

           int *p;

           p = arr + 3;

           *p = 5;

           printf("%d\n", arr[3]);

   	A.	5
   	B.	4
   	C.	3
   	D.	Compile-time Error

2 points   

QUESTION 11

1. Which of the following statements is correct about the following code snippet?

   int i = 5;

   int *j = &i;

   	A.	j and i are pointers to an int.
   	B.	i is a pointer to an int and stores the address of j.
   	C.	j is a pointer to an int and stores the address of i.
   	D.	j is a pointer to a pointer to an int and stores address of i.

2 points   

QUESTION 12

1. What will be the output of following program?

   #include<stdio.h>

   void change(int*, int);

   int main()

   {

       int i, arr[] = {2, 4, 6, 8, 10};

       change(arr, 5);

       for(i=0; i<=4; i++)

             printf("%d, ", arr[i]);

       return 0;

   }

   void change(int *b, int n)

   {

   int i;

         for(i=0; i<n; i++)

   *(b+1) = *(b+i)+5;

   }

   	A.	7, 9, 11, 13, 15,
   	B.	2, 4, 6. 8. 10,
   	C.	5, 5, 5, 5, 5,
   	D.	2, 15, 6, 8, 10,

Answer 1

ANSWER:-

QUESTION (9):-

OPTION (C)  Same memory address printed twice

QUESTION (10):-

OPTION (A) 5

QUESTION (11):-

OPTION (C) j is a pointer to an int and stores the address of i.

QUESTION (12):-

OPTION (D)  2, 15, 6, 8, 10,