What is the time complexity of a linear search algorithm?

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Question: What is the time complexity of a linear search algorithm?

Options:

Correct Answer: O(n)

Solution:

Linear search checks each element one by one, resulting in a time complexity of O(n).

What is the time complexity of a linear search algorithm?

What is the time complexity of a linear search algorithm?

Step 1: Understand what a linear search does. It looks at each item in a list one by one.
Step 2: Realize that if there are 'n' items in the list, the search may need to check all 'n' items.
Step 3: If the item is found early, it takes fewer checks, but in the worst case, it checks all 'n' items.
Step 4: The time it takes to complete the search grows linearly with the number of items, hence the term 'linear'.
Step 5: This is expressed in Big O notation as O(n), where 'n' is the number of items in the list.

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