Data Structures: MCQ Set – 04

Q31: Activation record is stored on

  • (A) Queue
  • (B) Stack
  • (C) Linked list
  • (D) AVL Tree

Q32: The situation in linked list START=NULL is called ?

  • (A) The situation in linked list START=NULL is called ?
  • (B) Overflow
  • (C) Underflow
  • (D) Both of above

Q33: Which of the following data structure is non-linear type?

  • (A) Strings
  • (B) Lists
  • (C) Stacks
  • (D) None of above

Q34: A binary search tree is a binary tree

  • (A) All items in the left subtree are less than root
  • (B) All items in the right subtree are greater than or equal to the root
  • (C) Each subtree is itself a binary search tree
  • (D) All of the above

Q35: When we say an algorithm has a time complexity of O (n), what does it mean?

  • (A) The algorithm has ‘n’ nested loops
  • (B) The computation time taken by the algorithm is proportional to n
  • (C) The algorithm is ‘n’ times slower than a standard algorithm
  • (D) There are ‘n’ number of statements in the algorithm
  • (E) The computation time taken by the algorithm is less than ‘n’ seconds.

Q36: Two main measures for the efficiency of an algorithm are

  • (A) Processor and memory
  • (B) Complexity and capacity
  • (C) Time and space
  • (D) Data and space

Q37: To implement Sparse matrix dynamically, the following data structure is used

  • (A) Trees
  • (B) Graphs
  • (C) Priority Queues
  • (D) Linked List

Q38: Which allows deletion at only one end of the list but allows insertion at both ends of the list?

  • (A) Deque
  • (B) Circular queue
  • (C) Output restricted deque
  • (D) Input restricted deque

Q39: Electronic spreadsheets are most useful in a situation where relatively …. data must be input but …… calculations are required.

  • (A) little; simple
  • (B) large; simple
  • (C) large; complex
  • (D) little; complex

Q40: Applications of Queue are

  • (A) Simulation, event driven systems
  • (B) Postfix and prefix manipulations
  • (C) Dictionary systems, polynomial manipulations
  • (D) Fixed block storage allocation, garbage collection

Answers:

QuestionQ31Q32Q33Q34Q35Q36Q37Q38Q39Q40
AnswerBBDDBCDCDA

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