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NITA-U IT Certification — free MCQ practice

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NITA-U IT Certification subjects

Computer Science (30)

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AlgorithmsComputer ScienceData StructuresSorting Algorithms

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Arranging a collection of elements into a particular order is called:Read the answer and worked solution →An algorithm repeatedly comparing neighbouring elements and swapping them is:Read the answer and worked solution →Exchanging the positions of two elements with each other is called:Read the answer and worked solution →For a list of n elements, bubble sort makes a total number of passes equal to:Read the answer and worked solution →

Worked practice questions

Arranging a collection of elements into a particular order is called:

  1. Sorting
  2. Storing
  3. Scaling
  4. Sharing
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Correct answer: A. Sorting

1. The elements themselves do not change. 2. Only their arrangement is altered. 3. That process is sorting. _Source: syllabus Computer Science Class XII, Chapter 5, Sorting._

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An algorithm repeatedly comparing neighbouring elements and swapping them is:

  1. Border sort
  2. Bubble sort
  3. Bucket sort
  4. Barrel sort
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Correct answer: B. Bubble sort

1. Only adjacent pairs are ever compared. 2. Out of order pairs are exchanged. 3. That algorithm is bubble sort. _Source: syllabus Computer Science Class XII, Chapter 5, Sorting._

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Exchanging the positions of two elements with each other is called:

  1. Swapping
  2. Stacking
  3. Splicing
  4. Stamping
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Correct answer: A. Swapping

1. Neither element leaves the list. 2. They simply trade places. 3. That move is swapping. _Source: syllabus Computer Science Class XII, Chapter 5, Sorting._

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