Raju_Soop_1

How many different types of pointers exist?

• One type only (for integers)

• Two types (one for integers, one for floats/doubles)

• Three types (pointers, arrays, dynamic allocation)

Which of the following is related to pointer to an array concept in C

• int a[]={1,2,2,22};

  int *p;

  p=a;

• int (*p)[3];

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

  p=*a;

• int *p[3];

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

  p=a;

• int **a[];

Is the NULL pointer same as an uninitialised pointer?

• TRUE

• FALSE

What does this command do?.

• Creates a pointer of type integer that is initially pointing to null.

• Creates a pointer of type integer that is initially pointing to 0.

• Creates a pointer in the heap

• None of the answers are valid

int main()

{

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

int *ptri = arri;

printf("%d ", sizeof(arri));

printf("%d ", sizeof(ptri));

return 0;

}

• 3 3

• 12 12

• 12 4

• 4 4

     What is the return type of malloc() or calloc()?

• int *  

• int **

• void *

• void **

Which of the following will copy the null-terminated string that is in array src into array dest?

• dest = src;

• dest == src;

• strcpy(dest, src);

• strcpy(src, dest);

What will the result of 'num' variable after execution of the following statements?

int num = 58;

num % = 11;

• 3

• 5

• 8

• 11

Which of the following comments about the ++ operator are correct?

1) It is a unary operator

2) The operand can come before or after the operator

3)It associates from the right

• 1 and 3

• 1 and 2

• 2 and 3

• 1,2,3

When comparing C - Structures & C++ -Class, there is a significant difference in terms of their members.

• The members of C Structure & C++ Class are private by default
• The members of C Structure & C++ Class are public by default
• The members of C Structure are public & the members of C++ Class are private by default
• The members of C Structure are private & the members of C++ Class are public by default