
Merge and Insertion Sort A Level Computer Science
Authored by Simon Withey
Computers
12th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the Merge Sort algorithm?
A comparison-based sorting algorithm that divides the array into halves, sorts them, and then merges them.
A non-comparison-based sorting algorithm that uses counting to sort elements.
A sorting algorithm that repeatedly swaps adjacent elements if they are in the wrong order.
A sorting algorithm that selects the smallest element from an unsorted list and swaps it with the first unsorted element.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time complexity of the Merge Sort algorithm in the worst case?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a key characteristic of the Insertion Sort algorithm?
It is a recursive algorithm.
It is an in-place sorting algorithm.
It requires additional space proportional to the input size.
It is a non-comparison-based sorting algorithm.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the best-case time complexity of the Insertion Sort algorithm?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sorting algorithm is generally more efficient for small datasets?
Merge Sort
Insertion Sort
Quick Sort
Bubble Sort
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the space complexity of the Merge Sort algorithm?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of sorting algorithms, what does "in-place" mean?
The algorithm requires additional space proportional to the input size.
The algorithm sorts the data without requiring additional space.
The algorithm uses recursion to sort the data.
The algorithm sorts the data in a separate array.
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