C Interview Dangling Pointers Online Exam Quiz
C Interview Dangling Pointers GK Quiz. Question and Answers related to C Interview Dangling Pointers. MCQ (Multiple Choice Questions with answers about C Interview Dangling Pointers
The number of arguments taken as input which allocating memory dynamically using malloc() is ___________
Options
A : 0
B : 1
C : 2
D : 3
Garbage collector frees the programmer from worrying about ___________
Options
A : Dangling pointers
B : Creating new objects
C : Memory leak
D : Segmentation errors
Pick out the correct statement with respect to the heap.
Options
A : Local variables are stored on the heap
B : Static variables are stored on the heap
C : Heap is the data structure which is used to implement recursive function calls
D : Everything on the heap is anonymous
When the pointer is NULL, then the function realloc is equivalent to the function ___________
Options
A : malloc
B : calloc
C : free
D : alloc
If the space in memory allocated by malloc is not sufficient, then an allocation fails and returns ___________
Options
A : NULL pointer
B : Zero
C : Garbage value
D : The number of bytes available
If malloc() and calloc() are not type casted, the default return type is ___________
Options
A : void*
B : void**
C : int*
D : char*
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()?
Options
A : x=(int*)malloc(10);
B : x=(int*)malloc(10,sizeof(int));
C : x=malloc(int 10,sizeof(int));
D : x=(int*)malloc(10*sizeof(int));
Chemical Engineering Basics - Part 1 more Online Exam Quiz
C Interview Date Time Function