Linear Search in Data Structure: Time Complexity Video Lecture | Crash Course: Computer Science Engineering (CSE)

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FAQs on Linear Search in Data Structure: Time Complexity Video Lecture - Crash Course: Computer Science Engineering (CSE)

1. What is linear search in data structure?
Ans. Linear search is a simple searching algorithm used to find a specific element in a list or array. It sequentially checks each element of the list/array until a match is found or the end of the list/array is reached.
2. What is the time complexity of linear search?
Ans. The time complexity of linear search is O(n), where 'n' is the number of elements in the list/array. This means that the time taken to search for an element increases linearly with the size of the list/array.
3. How does linear search work?
Ans. Linear search works by starting from the first element of the list/array and comparing it with the target element. If a match is found, the search is successful. If not, the search continues to the next element until either a match is found or the end of the list/array is reached.
4. When should linear search be used?
Ans. Linear search is best suited for small lists/arrays or when the list/array is unsorted. It is a simple and easy-to-implement algorithm that does not require the data to be sorted beforehand.
5. Are there any advantages of using linear search?
Ans. The main advantage of linear search is its simplicity and ease of implementation. It can be used for both sorted and unsorted lists/arrays, and it works well for small datasets. Additionally, linear search does not require any additional data structures, making it memory-efficient. However, for larger datasets or when efficiency is a concern, other search algorithms like binary search are more suitable.
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