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Topic List
Miscellaneous
Input Output
Library Functions
Functions
Data Types and Operators
Strings
Pointers and Arrays
Structures, Unions, Enums
Memory Allocation
Floating Point Issues
C Preprocessor
Control Instructions
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Command Line Arguments
Memory Allocation on C related Questions and Answers - Page 3
Question 21 :
Which of the following header files must necessarily be included to use dynamic memory allocation functions?
1.
stdlib.h
2.
stdio.h
3.
memory.h
4.
dos.h
View Answer
Discuss with Members
Question 22 :
Local variables are stored in an area called ___________
1.
Heap
2.
Permanent storage area
3.
Free memory
4.
Stack
View Answer
Discuss with Members
Question 23 :
A condition where in memory is reserved dynamically but not accessible to any of the programs is called _____________
1.
Memory leak
2.
Dangling pointer
3.
Frozen memory
4.
Pointer leak
View Answer
Discuss with Members
Question 24 :
Garbage collector frees the programmer from worrying about ___________
1.
Dangling pointers
2.
Creating new objects
3.
Memory leak
4.
Segmentation errors
View Answer
Discuss with Members
Question 25 :
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
View Answer
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Question 26 :
The number of arguments taken as input which allocating memory dynamically using malloc() is ___________
1.
0
2.
1
3.
2
4.
3
View Answer
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Question 27 :
Which of the following is an example for non linear data type?
1.
Tree
2.
Array
3.
Linked list
4.
Queue
View Answer
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Question 28 :
Pick out the correct statement with respect to the heap.
1.
Local variables are stored on the heap
2.
Static variables are stored on the heap
3.
Heap is the data structure which is used to implement recursive function calls
4.
Everything on the heap is anonymous
View Answer
Discuss with Members
Question 29 :
The type of linked list in which the node does not contain any pointer or reference to the previous node:
1.
Circularly singly linked list
2.
Singly linked list
3.
Circular doubly linked list
4.
Doubly linked list
View Answer
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Question 30 :
When the pointer is NULL, then the function realloc is equivalent to the function ___________
1.
malloc
2.
calloc
3.
free
4.
alloc
View Answer
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View 21 - 30 of 33 Questions
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