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Q1. The advantage of ________is that they solve the problem if sequential storage representation. But disadvantage in that is they are sequential lists.
(A) Lists
(B) Linked Lists
(C) Trees
(D) Queues
Answer: (B) Linked Lists
Q2. Which if the following is/are the levels of implementation of data structure
(A) Abstract level
(B) Application level
(C) Implementation level
(D) All of the above
Answer: (D) All of the above
Q3. _ level is where the model becomes compatible executable code
(A) Abstract level
(B) Application level
(C) Implementation level
(D) All of the above
Answer: (C) Implementation level
Q4. Herder node is used as sentinel in __
(A) Graphs
(B) Stacks
(C) Binary tree
(D) Queues
Answer: (C) Binary tree
Q5. The simplest type of data structure is __
(A) Multidimensional array
(B) Linear array
(C) Two dimensional array
(D) Three dimensional array
Answer: (B) Linear array
Q6. The way in which the data item or items are logically related defines __
(A) Storage structure
(B) Data structure
(C) Data relationship
(D) Data operation
Answer: (B) Data structure
Q7. State true or false.
(i) An empty tree is also a binary tree.
(ii) In strictly binary tree, the out-degree of every node is either 0 or 2.(A) True, False
(B) False, True
(C) True, True
(D) False, False
Answer: (C) True, True
Q8. _ is not the component of data structure.
(A) Operations
(B) Storage Structures
(C) Algorithms
(D) None of above
Answer: (D) None of above
Q9. _ is very useful in situation when data have to stored and then retrieved in reverse order.
(A) Stack
(B) Queue
(C) List
(D) Link list
Answer: (B) Queue
Q10. State True or False.
(i) Binary search is used for searching in a sorted array.
(ii) The time complexity of binary search is O(logn).(A) True, False
(B) False, True
(C) False, False
(D) True, True
Answer: (D) True, True
Q11. Which of the following is true about the characteristics of abstract data types?
(i) It exports a type
(ii) It exports a set of operations(A) True, False
(B) False, True
(C) True, True
(D) False, False
Answer: (C) True, True
Q12. Which data structure allows deleting data elements from and inserting at rear?
(A) Stacks
(B) Queues
(C) Dequeues
(D) Binary search tree
Answer: (B) Queues
Q13. The use of pointers to refer elements of a data structure in which elements are logically adjacent is _.
(A) Pointers
(B) Linked allocation
(C) Stack
(D) Queue
Answer: (B) Linked allocation
Q14. Which of the following data structure can’t store the non-homogeneous data elements?
(A) Arrays
(B) Records
(C) Pointers
(D) Stacks
Answer: (A) Arrays
Q15. Which of the following data structure is linear type?
(A) Graph
(B) Trees
(C) Binary tree
(D) Stack
Answer: (D) Stack
Data Structures and Algorithms MCQ – All Set
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