Sorting Algorithms MCQs With Answers

Which sorting algorithm is most commonly used for internal sorting of large numbers of records in databases?

Which sorting algorithm repeatedly compares adjacent elements and swaps them if they are in the wrong order?

Which sorting algorithm is not comparison-based and sorts numbers by processing digits individually?

Which sorting algorithm has a time complexity of O(n log n) and sorts in place, making it space efficient?

Which sorting algorithm is based on the concept of divide-and-conquer and is optimal for smaller arrays?

Which sorting algorithm is not comparison-based and sorts numbers by processing digits individually?

Which sorting algorithm is efficient for sorting elements that are within a limited range?

Which sorting algorithm sorts elements by distributing them into buckets based on their value range?

Which sorting algorithm is based on a priority queue and repeatedly selects the maximum element to place at the end?

Which sorting algorithm has a worst-case time complexity of O(n^2) but is generally faster than many other quadratic-time sorting algorithms?

Which sorting algorithm is known for its worst-case time complexity of O(n^2) but is simple and often used for educational purposes?

Which sorting algorithm is not a comparison-based sorting algorithm?

Which sorting algorithm sorts by repeatedly selecting the smallest (or largest) element from the unsorted part of the array?

Which sorting algorithm is adaptive and efficient for data sets that are already substantially sorted?

Which sorting algorithm is based on partitioning the array into segments and sorting each segment using another sorting algorithm?

Which sorting algorithm has a worst-case time complexity of O(n log n) and uses a divide-and-conquer approach?

Which sorting algorithm is stable, meaning that it preserves the relative order of equal elements?

Which sorting algorithm sorts by repeatedly swapping adjacent elements if they are in the wrong order?

Which sorting algorithm sorts elements by comparing adjacent elements and swapping them if they are in the wrong order?

Which sorting algorithm is suitable for sorting elements that have many duplicate values?

Which sorting algorithm is known for its simplicity and efficiency on small data sets or nearly sorted arrays?

Which sorting algorithm is not an in-place sorting algorithm?

Which sorting algorithm is based on partitioning the array into segments, sorting each segment recursively, and combining them?

Which sorting algorithm works by repeatedly dividing the array into halves until each subarray contains a single element, then merging them in order?

Which sorting algorithm uses a pivot element to partition the array into two halves and recursively sorts them?

Which sorting algorithm has an average-case time complexity of O(n log n)?

Which sorting algorithm involves finding the maximum element and moving it to its correct position repeatedly?

Which sorting algorithm uses a sequence of increments for the elements, improving insertion sort's performance on larger arrays?

Which sorting algorithm works by distributing the elements into buckets and then sorting each bucket individually?

Which sorting algorithm is based on the idea of repeatedly inserting an element into the sorted part of the array?

Which sorting algorithm is known for its simplicity and efficiency for small data sets or nearly sorted arrays?

Which sorting algorithm is known for its stability and is preferred when stability matters?

Which sorting algorithm is known for its time complexity of O(n + k) where k is the range of the input?

Which sorting algorithm sorts by counting occurrences of each unique element and arranging them?

Which sorting algorithm is suitable for sorting a linked list efficiently?

Which sorting algorithm is based on the principle of selection and repeatedly finds the minimum element from unsorted parts?

Which sorting algorithm uses comparisons to sort elements and has an average-case time complexity of O(n log n)?

Which sorting algorithm is stable and divides the array into sorted and unsorted parts, iteratively placing the smallest element into the sorted part?

Which sorting algorithm builds a heap from the array and repeatedly extracts the maximum element from it?

Which sorting algorithm is suitable for sorting a list of strings alphabetically?