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Quiz on Insertion Sort in DSA

Quiz on Insertion Sort in DSA

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Question 1 of 10

1. Question

What is the main idea behind Insertion Sort?

Insert elements into a queue before sorting
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Divide and merge subarrays
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Build the sorted list one element at a time
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Swap all elements repeatedly
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Question 2 of 10

2. Question

In Insertion Sort, which part of the array is considered sorted during the process?

Entire array
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Right side only
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Elements before the current position
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Random element
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Question 3 of 10

3. Question

What is the best-case time complexity of Insertion Sort?

O(n²)
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O(log n)
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O(n)
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O(1)
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Question 4 of 10

4. Question

What is the worst-case time complexity of Insertion Sort?

O(n log n)
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O(n²)
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O(n)
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O(1)
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Question 5 of 10

5. Question

Insertion Sort is most efficient when:

The list is large and completely unsorted
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The list has a mix of strings and integers
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The list is nearly sorted
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The list contains all negative numbers
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Question 6 of 10

6. Question

In Insertion Sort, how are elements moved to make space for the current item?

Using a stack
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By swapping elements
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By shifting elements to the right
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By creating a new array
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Question 7 of 10

7. Question

What kind of sorting algorithm is Insertion Sort?

Divide and conquer
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Non-comparison based
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Comparison-based and in-place
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Recursive and unstable
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Question 8 of 10

8. Question

Which data structure is best suited to explain the concept of Insertion Sort visually?

Binary Tree
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Queue
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Array
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Graph
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Question 9 of 10

9. Question

How many passes does Insertion Sort make through an array of size n?

n
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n-1
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n/2
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log n
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Question 10 of 10

10. Question

What is the space complexity of Insertion Sort?

O(n)
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O(1)
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O(n log n)
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O(n²)
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