# Advanced Data Structures and Algorithms MCQs

Advanced data structure is a specific type of data structure that is more complicated and detailed than basic data structures. They are used to organize and store data in a more efficient way. There are many different types of advanced data structures, but some of the most common ones include arrays, stacks, queues, and linked lists.

These MCQ questions of Advanced Data Structure are very useful for the preparation of academic and competitive exams like SSC CGL, IBPS (Clerk & PO), BCA, MCA, UPSC, CA, CS, CMA, CPA, CFA, NET, Banking, and other IT & accounts departments. Advanced data structures are data structures that are more complex and efficient than traditional data structures. They are used to solve complex problems more quickly than traditional data structures. Examples of advanced data structures include B-trees, red-black trees, skip lists, hash tables, and heaps. These data structures are often used in computer science and engineering fields for various applications.

## 70 Advanced Data Structure MCQs

1. ___ is used in dividing the larger problems into subproblems.
`[expand title="Show Answer"]Answer: Modularity[/expand]`

2. The data structure which contains the hierarchical relationship between various elements is called a ___.
`[expand title="Show Answer"]Answer: Tree[/expand]`

3. Insertion and deletion of elements in the queue are done in ___ and ___ ends respectively.
`[expand title="Show Answer"]Answer: Rear and Front[/expand]`

4. ___ is called a list of the finite number of elements of similar data types.
`[expand title="Show Answer"]Answer: Array[/expand]`

5. ___ is used in finding the location of the record with the given key value.
`[expand title="Show Answer"]Answer: Searching[/expand]`

6. The ___ of the algorithm is depending on the time and space it uses.
`[expand title="Show Answer"]Answer: Efficiency[/expand]`

7. ___ is used in combining the records in two different files into a single file.
`[expand title="Show Answer"]Answer: Merging[/expand]`

8. ___ is a linear collection of nodes.
`[expand title="Show Answer"]Answer: Linked list[/expand]`

9. ___ and ___ are the two fields of the linked list.
`[expand title="Show Answer"]Answer: Data and Link fields[/expand]`

10. Processing each node of the linked list exactly once is called ___.
`[expand title="Show Answer"]Answer: Traversing[/expand]`

11. Stack allows insertion and deletion at one end called ___.
`[expand title="Show Answer"]Answer: Top[/expand]`

12. Insertion and deletion of elements from the stack are performed with ___ and ___ operations.
`[expand title="Show Answer"]Answer: Push and pop[/expand]`

13. Before every insertion into the stack ___ condition need to be checked.
`[expand title="Show Answer"]Answer: OVERFLOW[/expand]`

14. P+Q and (X+Y)* Z is the ___ expression.
`[expand title="Show Answer"]Answer: Infix[/expand]`

15. Addition is having higher precedence than the Multiplication state. True/False.
`[expand title="Show Answer"]Answer: False[/expand]`

16. Specify the method for deleting an element from the queue ___.
`[expand title="Show Answer"]Answer: Dequeue[/expand]`

17. ___ and ___ are the two pointers used in the queue.
`[expand title="Show Answer"]Answer: FRONT and REAR[/expand]`

18. New node can be availed from ___ list while inserting a new element into the queue.
`[expand title="Show Answer"]Answer: AVAIL[/expand]`

19. ___ is used to find the location of an item in a linked list.
`[expand title="Show Answer"]Answer: Searching[/expand]`

20. ___ is used to store unused memory cells.
`[expand title="Show Answer"]Answer: Free- storage list[/expand]`

21. Tree is a non-linear data structure state. True/False
`[expand title="Show Answer"]Answer: True[/expand]`

22. List of nodes belonging to the same parent is called ___.
`[expand title="Show Answer"]Answer: Siblings[/expand]`

23. Tree with only the left subtree is called ___.
`[expand title="Show Answer"]Answer: Left skewed tree[/expand]`

24. ___ order traversal follows the pattern as root, left, right.
`[expand title="Show Answer"]Answer: Preorder[/expand]`

25. In an array representation of a binary tree the right child of the root will be at the location at ___.
`[expand title="Show Answer"]Answer: 3[/expand]`

26. In a complete binary tree right child of a node can be identified by ___.
`[expand title="Show Answer"]Answer: 2*i+1[/expand]`

27. Breadth-first traversal otherwise called ___.
`[expand title="Show Answer"]Answer: Level order traversal[/expand]`

28. Linked representation of a tree facilitates the efficiency of memory. True/False.
`[expand title="Show Answer"]Answer: True[/expand]`

29. Conversion of the tree to the binary tree makes the tree ___.
`[expand title="Show Answer"]Answer: Improper[/expand]`

30. Incomplete tree is very efficient in memory management. (True/False)
`[expand title="Show Answer"]Answer: False[/expand]`

31. ___ is used to denote the leaf node representation as 1 in preorder sequential representation.
`[expand title="Show Answer"]Answer: TAG[/expand]`

32. ___ and ___ are the vectors used for postorder sequential representation.
`[expand title="Show Answer"]Answer: POST and DEGREE[/expand]`

33. A graph containing only isolated vertices is called ___. (Pick the right option)
a) isolated graph
b) null graph
c) directed graph
d) multigraph
`[expand title="Show Answer"]Answer: b) - null graph[/expand]`

34. In a directed graph, the ___ of a vertex v is the number edges of leaving v, and its ___ is the number of edges ending at v. (Pick the right option)
a) in-degree, out-degree b) out-degree, in-degree
c) degree, edges d) edges, degree
`[expand title="Show Answer"]Answer: b) Out-degree, In-degree[/expand]`

35. In the adjacency matrix, ‘1’ is marked in a cell if there exists an edge between two nodes that index that cell. (True/false)
`[expand title="Show Answer"]Answer: True[/expand]`

36. A null graph consists of V vertices but no edges, then the adjacency matrix has all of its entire elements as___.
`[expand title="Show Answer"]Answer: zero)[/expand]`

37. In the incidence matrix, If the kth edge is (vi, vj ) then the kth column has a value ___ in the ith row, ___ in the jth row, and ___ elsewhere.
a) 1,-1,0
b) -1,1,0
c) 0,1,-1
d) 0,-1,1
`[expand title="Show Answer"]Answer: a) 1,-1,0[/expand]`

38. For the adjacency list the number of distinct unordered pairs (vi, vj) with vi,≠ vj in a graph with n vertices is___.
`[expand title="Show Answer"]Answer: n (n-1)/2[/expand]`

39. Pick the right option
The three properties associated with list structures are:
a) Order, depth, length
b) Degree, vertices, edges
c) Atom, element, list
d) Cost, weight, data
`[expand title="Show Answer"]Answer: a) order, depth, length[/expand]`

40. In-Depth First search the same node is visited more than once. (True/False)
`[expand title="Show Answer"]Answer: False[/expand]`

41. Breadth-first search algorithm uses a ___ data structure to perform the search. (Pick the right option)
a) Tree
c) Queue
d) Hashes
`[expand title="Show Answer"]Answer: c) Queue[/expand]`

42. A spanning tree is known as a spanning forest if the graph is undirected and connected. (True/False)
`[expand title="Show Answer"]Answer: False[/expand]`

43. If the graph is not connected in the spanning tree, then it is known as ___.
`[expand title="Show Answer"]Answer: spanning forest[/expand]`

44. ___ technique is used to collect all the free cells and store that in the free pool.
`[expand title="Show Answer"]Answer: Garbage Collection[/expand]`

45. ___ and ___ are the types of linked lists.
`[expand title="Show Answer"]Answer: Doubly and Circular linked list[/expand]`

46. Doubly linked lists are also called ___.
`[expand title="Show Answer"]Answer: Two- way list[/expand]`

47. Nodes do not have any clear parent-child relationship like in the tree. (True/False)
`[expand title="Show Answer"]Answer: True[/expand]`

48. In an undirected graph, edge (v1,v2) is equivalent to edge ___ since they are unassigned.
`[expand title="Show Answer"]Answer: (v2,v1)[/expand]`

49. A directed graph is also referred to as an ___.
`[expand title="Show Answer"]Answer: Oriented Graph[/expand]`

50. The number of edges incident out of a vertex v is called the ___.
`[expand title="Show Answer"]Answer: Out-Degree[/expand]`

51. DAGs may have more than one possible topological order. (True/False)
`[expand title="Show Answer"]Answer: True[/expand]`

52. Descriptor’s successor must appear after that descriptor in ___ ordering for topological sort.
a) linear
b) alphabetical
c) random
d) unique
`[expand title="Show Answer"]Answer: a) linear[/expand]`

53. Dijkstra’s algorithm can be applied to an unweighted directed graph. (True/False)
`[expand title="Show Answer"]Answer: False[/expand]`

54. In Dijkstra’s algorithm, ___ is assigned to each vertex.
a) weight
b) length
c) cost
d) labels
`[expand title="Show Answer"]Answer: d) labels[/expand]`

55. Minimum spanning tree is always unique. (True/False)
`[expand title="Show Answer"]Answer: False[/expand]`

56. Minimum spanning tree is a graph with weight ___ than or ___ to the weight of every other spanning tree. (Pick the right option)
a) less, greater
b) less, equal
c) greater, equal
d) greater, always greater
`[expand title="Show Answer"]Answer: b) less, equal[/expand]`

57. Prim’s minimum spanning tree algorithm is known as ___ style algorithm.
a) greedy
b) unique
c) linear
d) sparse
`[expand title="Show Answer"]Answer: a) greedy[/expand]`

58. There are certain polynomial-time algorithms that can be considered tractable. (True/False)
`[expand title="Show Answer"]Answer: True[/expand]`

59. If the solution is found to minimize or maximize a given value, then such types of problems are ___ problems.
`[expand title="Show Answer"]Answer: optimization[/expand]`

60. An algorithm that returns near-optimal solutions (in polynomial time) is called the ___ algorithm.
`[expand title="Show Answer"]Answer: Approximation[/expand]`

61. A problem is NP-hard if an algorithm to solve it in (deterministic) polynomial time would make it possible to solve all ___ problems in polynomial time. (Pick the right option)
a) decision
b) non-deterministic
c) NP
d) optimization
`[expand title="Show Answer"]Answer: c) NP[/expand]`

62. Identify the algorithm given below:
For k = 0 to n-1
MIN⇓ k
For m = k + 1 to n
if (A[m] < A[k]
MIN⇓ m
End if
Swap(A[m], A[k]); // swap min to front
Return
`[expand title="Show Answer"]Answer: selection sort[/expand]`

63. A vertex v is said to be an isolated vertex if the out-degree of v and the in-degree of v are equal to ___.
`[expand title="Show Answer"]Answer: Zero[/expand]`

64. Let X be a set, and R a relation on X. The relation R is said to be ___ if a, b, c ∈ R, aRb, bRc ⇒ aRc.
`[expand title="Show Answer"]Answer: Transitive[/expand]`

65. Each maximal connected subgraph of a digraph D, is said to be a ___ of D
`[expand title="Show Answer"]Answer: Component[/expand]`

66. A closed-directed walk which traverses every edge of D exactly once, is called a ___.
`[expand title="Show Answer"]Answer: Directed Euler line[/expand]`

67. A tree of n vertices contains ___ edges.
`[expand title="Show Answer"]Answer: n - 1[/expand]`

68. Let D be a digraph with p vertices. The adjacency matrix of D is a ___ matrix
`[expand title="Show Answer"]Answer: pxp[/expand]`

69. Sorting is the process of arranging the content in some order based on ___ criterion.
`[expand title="Show Answer"]Answer: ordering [/expand]`

70. Merge sort uses ___ technique to sort the elements.
`[expand title="Show Answer"]Answer: divide-and-conquer[/expand]`

#### Advanced data structures and algorithms MCQ Quiz

We have compiled an extensive collection of quizzes and questions to test your knowledge and understanding of the fundamentals of data structures and algorithms. Whether you are a beginner or an experienced programmer, our comprehensive library of questions will help you to increase your mastery of the subject. Get ready to get tested and push your knowledge to the next level!

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Created on By Sofia Islam

Advanced data structures and algorithms Quiz

Welcome to the world of Advanced Data Structures and Algorithms MCQ Questions and Answers by Eguardian India! If you’re a computer science or engineering student, or a software engineer, who wants to gain expertise in advanced data structures and algorithms, then this is the right place for you.

Through this quiz, you can test your knowledge and understanding of various algorithms and data structures, and gain a better understanding of the concepts. So, are you ready to take the Advanced Data Structures and Algorithms Quiz? Let’s get started!

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ISAM stands for:

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Which one is not a representation of a graph?

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Extra space in each record is kept for this collision processing method

4 / 25

Sorting is not possible by using which of the following methods?

5 / 25

A binary tree with 20 nodes has null branches?

6 / 25

In tree construction, which is the suitable efficient data structure?

7 / 25

How many different trees are possible with 10 nodes?

8 / 25

Assign and add are ___ statements.

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Selection statement evaluates ___.

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Selection statement evaluates ___.

11 / 25

The opposite of atomic data is?

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An array is a ___ sequence.

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The generalization of operations with unspecified implementations is known as___.

14 / 25

What is used to call a sequence of character?

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A linear collection of data elements where the linear node is given by means of pointer is called____.

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Indexing is also called ___.

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The total number of comparisons in bubble sort is?

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19 / 25

A tree is height-balanced if the heights of the left and right sub tree’s of each node are within?

20 / 25

The nth element from the top of the stack S is accessible as:

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A node n is adjacent to a node m if there is an arc from

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A stack cannot be used to

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Which of the following is a hash function?

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An adjacency matrix representation of a graph cannot contain information of:

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What is non-FIFO implementation of Queues called?

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#### FAQs

Q1. What are Advanced Data Structures and Algorithms?
A1. Advanced-Data Structures and Algorithms is a course designed to help students understand and apply powerful data structures and algorithms to solve complex problems. It covers topics such as graph algorithms, dynamic programming, sorting algorithms, string algorithms, and more.

Q2. What topics will I learn in Advanced Data Structures and Algorithms?
A2. You will learn a wide range of topics, including graph algorithms, dynamic programming, sorting algorithms, string algorithms, data structures for distributed systems, and more.

Q3. What skills will I gain from Advanced Data Structures and Algorithms?
A3. You will gain an understanding of how to apply data structures and algorithms to real-world problems. You will also gain a stronger understanding of problem-solving and will be able to develop better coding skills.

Q4. Is Advanced Data Structures and Algorithms suitable for beginners?
A4. Yes, the course is designed with beginners in mind. It provides a comprehensive overview of the fundamentals of data structures and algorithms.

Q5. What do I need to know to take Advanced Data Structures and Algorithms?
A5. To take Advanced Data Structures and Algorithms, you should have an understanding of basic data structures and algorithms, such as linked lists, trees, hash tables, and basic sorting algorithms. Additionally, you should have some experience with programming languages such as C/C++, Java, or Python.

Q6. What are the prerequisites for taking Advanced Data Structures and Algorithms?
A6. To take Advanced Data Structures and Algorithms, you should have an understanding of basic data structures and algorithms, such as linked lists, trees, hash tables, and basic sorting algorithms. Additionally, you should have some experience with programming languages such as C/C++, Java, or Python.

A7. You can find more information about Advanced Data Structures and Algorithms on the course website and in textbooks such as “Data Structures and Algorithms in Java” by Robert Lafore and “Algorithms” by Thomas Cormen.

#### Conclusion

Practicing with Advanced Data Structure MCQ sample papers can help you prepare for the actual examination. The questions in these papers are designed to test your understanding of the concepts and help you identify any areas that you need to focus on. So, try to answer as many questions as possible, and don’t forget to use the answer key at the end to check your answers. Good luck!

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