Data Structure and Algorithms (DSA) MCQs with answers Page - 66

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Q. LSD radix sort requires passes to sort N elements.

  • (A) (w/logR)
  • (B) N(w/logR)
  • (C) (w/log(RN))
  • (D) (wN/log(N))

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Q. Which of the following is false?

  • (A) LSD radix sort is an integer sorting algorithm
  • (B) LSD radix sort is a comparison sorting algorithm
  • (C) LSD radix sort is a distribution sort
  • (D) LSD radix sort uses bucket sort

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Q. Which of the following sorting algorithm is stable?

  • (A) Heap sort
  • (B) Selection sort
  • (C) In-place MSD radix sort
  • (D) LSD radix sort

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Q. Which of the following should be used to sort a huge database on a fixed-length key field?

  • (A) Insertion sort
  • (B) Merge sort
  • (C) LSD radix sort
  • (D) Quick sort

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Q. Which of the following is a combination of LSD and MSD radix sorts?

  • (A) Forward radix sort
  • (B) 3-way radix quick sort
  • (C) Trie base radix sort
  • (D) Flash sort

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Q. Which of the following is true for the LSD radix sort?

  • (A) works best for variable length strings
  • (B) accesses memory randomly
  • (C) inner loop has less instructions
  • (D) sorts the keys in left-to-right order

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Q. Which scheme uses a randomization approach?

  • (A) hashing by division
  • (B) hashing by multiplication
  • (C) universal hashing
  • (D) open addressing

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Q. Which of the following data structure is linear data structure?

  • (A) Tree.
  • (B) Graph.
  • (C) Array.
  • (D) Linked list.

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Q. Which of the following is an example of dynamic programming approach?

  • (A) Fibonacci Series
  • (B) Tower of Hanoi
  • (C) Dijkstra Shortest Path
  • (D) All of the above

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Q. The memory address of the first element of an array is called_________.

  • (A) floor address.
  • (B) foundation address.
  • (C) first address.
  • (D) base address.

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