Question 1 : When the pointer is NULL, then the function realloc is equivalent to the function ___________
1. malloc
2. calloc
3. free
4. alloc
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Question 2 : Suppose we have a one dimensional array, named 'x', which contains 10 integers. Which of the following is the correct way to allocate memory dynamically to the array 'x' using malloc()?
1. x=(int*)malloc(10);
2. x=(int*)malloc(10,sizeof(int));
3. x=malloc(int 10,sizeof(int));
4. x=(int*)malloc(10*sizeof(int));
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Question 3 : If the space in memory allocated by malloc is not sufficient, then an allocation fails and returns ___________
1. NULL pointer
2. Zero
3. Garbage value
4. The number of bytes available
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Question 4 : If malloc() and calloc() are not type casted, the default return type is ___________
1. void*
2. void**
3. int*
4. char*
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Question 5 : In the function malloc(), each byte of allocated space is initialized to zero.
1. True
2. False
3.
4.
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Question 6 : Which of the following functions allocates multiple blocks of memory, each block of the same size?
1. malloc()
2. realloc()
3. calloc()
4. free()
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Question 7 : In the function realloc(), if the new size of the memory block is larger than the old size, then the added memory ___________
1. is initialized to junk values
2. is initialized to zero
3. results in an error
4. is not initialized
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Question 8 : If malloc() and calloc() are not type casted, the default return type is ___________
1. void*
2. void**
3. int*
4. char*
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Question 9 : If the space in memory allocated by malloc is not sufficient, then an allocation fails and returns ___________
1. NULL pointer
2. Zero
3. Garbage value
4. The number of bytes available
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Question 10 : Which of the following is an example for static memory allocation?
1. Linked list
2. Stack
3. Queue
4. Array
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