Data Structure and Algorithms (DSA) MCQs with answers Page - 12

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. The Worst case occur in linear search algo- rithm when

  • (A) Item is not in the array at all
  • (B) Item is the last element in the array
  • (C) Item is the last element in the array or is not there at all
  • (D) None of above

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Q. The Average case occur in linear search al- gorithm

  • (A) When Item is somewhere in the middle of the array
  • (B) When Item is not in the array at all
  • (C) When Item is the last element in the ar- ray
  • (D) All the above

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Q. how many vlue can held by an array A(-1…m,1…m)?

  • (A) m
  • (B) m^2
  • (C) m(m+1)
  • (D) m(m+2)

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Q. let x be the adjacency matrix of a graph .G with no self loop.The entries along the principle diagonal of x are

  • (A) all "0"
  • (B) all "1"
  • (C) both 0&1
  • (D) different

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Q. _______ refers to the operation of finding the location of a given item in a collection of items.

  • (A) sorting
  • (B) searching
  • (C) function
  • (D) complexity

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Q. _______ is a field whose values uniquely determine the records in the file.

  • (A) pointer
  • (B) primary key
  • (C) secondary key
  • (D) function

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Q. By using which of the following methods sorting is not possible?

  • (A) insertion
  • (B) exchange
  • (C) selection
  • (D) deletion

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Q. Which is the simplest file structure?

  • (A) sequential
  • (B) indexed
  • (C) random
  • (D) bubble

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Q. A ______ is a data structure use foe a storage of a records.

  • (A) tree
  • (B) hash table
  • (C) stack
  • (D) graph

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Q. _________ is a search for data that uses an index to locate the item.

  • (A) binary search
  • (B) sequential search
  • (C) indexed search
  • (D) jump search

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