
OCR Computer Science Sort Quiz

Quiz
•
Computers
•
6th - 8th Grade
•
Hard

Christopher Coote
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time complexity of quicksort algorithm?
O(n)
O(1)
O(n log n)
O(n^2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of stable sorting algorithm.
Only sorts the first half of the elements
Sorts the elements in descending order
Randomly shuffles the elements in the sorted output
Preserves the relative order of equal elements in the sorted output
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between comparison-based and non-comparison-based sorting algorithms?
Comparison-based sorting algorithms use random order while non-comparison-based sorting algorithms use specific order
Comparison-based sorting algorithms use specific order while non-comparison-based sorting algorithms use random order
Comparison-based sorting algorithms compare elements to determine their order, while non-comparison-based sorting algorithms use other methods such as counting or distribution.
Comparison-based sorting algorithms use counting or distribution while non-comparison-based sorting algorithms use comparison
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Discuss the advantages and disadvantages of using merge sort algorithm.
Advantages: Unstable, efficient for large datasets. Disadvantages: Requires extra space, efficient for small datasets.
Advantages: Stable, inefficient for large datasets. Disadvantages: Requires extra space, efficient for small datasets.
Advantages: Unstable, inefficient for large datasets. Disadvantages: Requires no extra space, efficient for small datasets.
Advantages: Stable, efficient for large datasets. Disadvantages: Requires extra space, not as efficient for small datasets.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the working principle of bubble sort algorithm.
Bubble sort algorithm compares each pair of adjacent items and swaps them if they are in the right order.
Bubble sort algorithm compares each pair of adjacent items and swaps them if they are in the wrong order.
Bubble sort algorithm compares each pair of adjacent items and leaves them as they are if they are in the wrong order.
Bubble sort algorithm compares each pair of non-adjacent items and swaps them if they are in the wrong order.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the best case time complexity of insertion sort algorithm?
O(n^2)
O(log n)
O(n)
O(1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Discuss the concept of in-place sorting algorithm.
Algorithm that sorts elements into reverse order
Sorting algorithm that requires additional memory space
Sorting algorithm that only works on even numbers
Sorting algorithm that does not require extra space and sorts the elements within the given array itself
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