Understanding Merge Sort: A Computer Science Quiz

Which sorting algorithm is noted for its efficiency in the video?

• Insertion sort

• Quick sort

• Merge sort

• Bubble sort

What is the initial action taken in the divide phase of merge sort?

• List is sorted

• List is shuffled

• List is split into two

• List is reversed

How many sublists are created after the first division in merge sort?

• Two

• Four

• Eight

• Sixteen

How many lists of two does the narrator end up with during the divide phase?

• Four

• Twelve

• Eight

• Sixteen

During the conquer phase, what is the basis for recombining the numbers?

• Ascending order

• Numerical value

• Random order

• Descending order

What is the key advantage of merge sort mentioned in the video?

• Memory usage

• Versatility

• Simplicity

• Speed

What does the narrator compare to check which number to place first during the conquer phase?

• All numbers of each sublist

• The first numbers of each sublist

• The middle numbers of each sublist

• The last numbers of each sublist

What is the final step in the merge sort process as described in the video?

• Comparing each element

• Recombining all sublists

• Shuffling elements

• Dividing the list

Which of the following is not a step in merge sort as described?

• Comparing elements during merging

• Dividing the list into sublists

• Merging the sublists in order

• Randomly arranging the sublists