Data Structures: MCQ Set – 01

Q1: The memory address of the first element is called ?

  • (A) Floor Address
  • (B) Foundation
  • (C) First Address
  • (D) Base Address

Q2: To represent hierarchical relationship between elements, which data structure is suitable ?

  • (A) Dequeue
  • (B) Priority
  • (C) Tree
  • (D) All of the above

Q3: The number of nodes in a complete binary tree of level 5 is

  • (A) 15
  • (B) 25
  • (C) 63
  • (D) 71

Q4: Which of the following case does not exist in complexity theory

  • (A) Best case
  • (B) Worst case
  • (C) Average case
  • (D) Null case

Q5: The time factor when determining the efficiency of algorithm is measured by

  • (A) Counting microseconds
  • (B) Counting the number of key operations
  • (C) Counting the number of statements
  • (D) Counting the kilobytes of algorithm

Q6: Folding is a method of generating ________

  • (A) A hash function
  • (B) Index function for a triangular matrix
  • (C) Header node for a circular linked list
  • (D) Linear probing
  • (E) Chaining

Q7: What is a heuristic function?

  • (A) A function to solve mathematical problems
  • (B) A function which takes parameters of type string and returns an integer value
  • (C) A function whose return type is nothing
  • (D) A function which returns an object
  • (E) A function that maps from problem state descriptions to measures of desirability.

Q8: Suppose a circular queue of capacity (n -1) elements is implemented with an array of n elements. Assume that the insertion and deletion operations are carried out using REAR and FRONT as array index variables, respectively. Initially, REAR = FRONT = 0. The conditions to detect queue full and queue empty are

  • (A) full: (REAR+1) mod n == FRONT empty: REAR == FRONT
  • (B) full: (REAR+1) mod n == FRONT empty: (FRONT+1) mod n == REAR
  • (C) full: REAR == FRONT empty: (REAR+1) mod n == FRONT
  • (D) full: (FRONT+1) mod n == REAR empty: REAR == FRONT

Q9: A sort which relatively passes through a list to exchange the first element with any element less than it and then repeats with a new first element is called

  • (A) Insertion sort
  • (B) Selection sort
  • (C) Heap sort
  • (D) Quick sort

Q10: Round robin scheduling is simulated using

  • (A) Stack
  • (B) Queue
  • (C) Tree
  • (D) Graph

Answers:

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AnswerDCCDBAEADB

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