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  1. AP Computer Science A
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ArrayList in AP Computer Science A

Question 1
college-boardComputer Science AAPExam Style
1 mark

How does selection sort work?

Question 2
college-boardComputer Science AAPExam Style
1 mark

Which sorting algorithm can be most efficient when dealing with small datasets or nearly-sorted data?

Question 3
college-boardComputer Science AAPExam Style
1 mark

If you need to frequently check if values are contained within a dataset while keeping it sorted at all times, what data structure should you ideally use?

Question 4
college-boardComputer Science AAPExam Style
1 mark

What issue arises if you accidentally use a 'greater than' comparison instead of 'less than' during partitioning in a quicksort algorithm?

Question 5
college-boardComputer Science AAPExam Style
1 mark

What term describes the process of repeatedly finding the minimum element from an unsorted part and moving it to the beginning?

Question 6
college-boardComputer Science AAPExam Style
1 mark

What advantage does bubble sort offer over quicksort when considering the stability of sorting algorithms?

Question 7
college-boardComputer Science AAPExam Style
1 mark

Before an algorithm represents a suitable choice for real-time processing application?

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Question 8
college-boardComputer Science AAPExam Style
1 mark

Which tool helps identify logical errors by displaying output messages within your code?

Question 9
college-boardComputer Science AAPExam Style
1 mark

Which sorting algorithm divides the ArrayList into a sorted subarray and an unsorted subarray?

Question 10
college-boardComputer Science AAPExam Style
1 mark

In a modified merge sort algorithm, if the size of the list becomes less than a predetermined threshold, it switches to insertion sort; what is the primary reason for employing this hybrid approach?