1. Why do we write (int *) before malloc?
   

   int *ip = (int *)malloc(sizeof(int));
   

1. 1. It is to inform malloc function about the data-type expected

   
   
   

   2. It is for the syntax correctness

   
   
   

   3. It is for the type-casting

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   It is for the type-casting

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2. Memory allocation using malloc() is done in _________
   

1. 1. Heap area

   
   
   

   2. Stack area

   
   
   

   3. Both Heap area & Stack area

   
   
   

   4. Static area

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Heap area

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3. Why do we write (int *) before malloc?
   

   int *ip = (int *)malloc(sizeof(int));
   

1. 1. It is to inform malloc function about the data-type expected

   
   
   

   2. It is for the syntax correctness

   
   
   

   3. It is for the type-casting

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   It is for the type-casting

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4. What will be the output of the following C code?
   

   #include <stdio.h>
       void main()
       {
           char *ptr = calloc(200, 2);
           ptr = "Interview Mania";
           printf("%s\n", ptr);
       }
   

1. 1. Interview Mania

   
   
   

   2. Compilation Error

   
   
   

   3. Garbage

   
   
   

   4. Segmentation fault

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Interview Mania

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5. Which of the following is used during memory deallocation in C?
   

1. 1. delete(p);

   
   
   

   2. terminate(p);

   
   
   

   3. remove(p);

   
   
   

   4. free(p);

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   free(p);

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