Data Structure and Algorithms (DSA) MCQs with answers Page - 40

Here, you will find a collection of MCQ questions on Data Structure and Algorithms (DSA). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Arrays are best data structures

  • (A) for relatively permanent collections of data
  • (B) for the size of the structure and the data in the structure are constantly changing
  • (C) for both of above situation
  • (D) for none of above situation

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Q. The disadvantage in using a circular linked list is …………………….

  • (A) it is possible to get into infinite loop.
  • (B) last node points to first node.
  • (C) time consuming
  • (D) requires more memory space

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Q. A linear list in which each node has pointers to point to the predecessor and successors nodes is called as ..

  • (A) singly linked list
  • (B) circular linked list
  • (C) doubly linked list
  • (D) linear linked list

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Q. A ……………….. is a linear list in which insertions and deletions are made to from either end of the structure.

  • (A) circular queue
  • (B) random of queue
  • (C) priority
  • (D) dequeue

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Q. In a priority queue, insertion and deletion takes place at ………………

  • (A) front, rear end
  • (B) only at rear end
  • (C) only at front end
  • (D) any position

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Q. The time complexity of quick sort is …………..

  • (A) o(n)
  • (B) o(n2)
  • (C) o(n log n)
  • (D) o(log n)

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Q. Which of the following is an application of stack?

  • (A) finding factorial
  • (B) tower of hanoi
  • (C) infix to postfix conversion
  • (D) all of the above

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Q. The data structure which is one ended is ………………

  • (A) queue
  • (B) stack
  • (C) tree
  • (D) graph

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Q. A list which displays the relationship of adjacency between elements is said to be

  • (A) linear
  • (B) non linear
  • (C) linked list
  • (D) trees

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Q. ……………….. level is where the model becomes compatible executable code

  • (A) abstract level
  • (B) application level
  • (C) implementation level
  • (D) all of the above

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