C7 - Algorithms Quiz

In Bubble Sort, what happens if two elements are in the wrong order?

• They are swapped

• They are ignored

• They are removed

• They are added

What is the first step in Quick Sort?

• Pick a pivot element

• Start at the beginning

• Insert into correct position

• Compare each pair

Which sorting algorithm involves recursively applying the same process to two parts?

• Quick Sort

• Bubble Sort

• Insertion Sort

• Heap Sort

What must be true about the list before performing a Binary Search?

• The list must be unsorted.

• The list must be sorted.

• The list must be empty.

• The list must be reversed.

What is the first step in counting occurrences in a list?

• Start at the end of the list.

• Start at the beginning of the list.

• Start in the middle of the list.

• Start randomly in the list.

In a stack, where are items added?

• To the top

• To the bottom

• To the middle

• To the side

In a queue, where are items removed from?

• From the front

• From the back

• From the middle

• From the side

Which algorithm repeatedly swaps adjacent elements to sort?

• Bubble Sort

• Quick Sort

• Insertion Sort

• Binary Search

What is input validation used for?

• Checking input against specific criteria

• Sorting elements

• Searching elements

• Counting elements

Which algorithm is best for programs requiring valid user input?

• Input Validation

• Bubble Sort

• Quick Sort

• Insertion Sort