Answer Posted / Abhinav Kumar Srivastav

Arrays and linked lists are both data structures used to store collections of elements, but they differ in their implementation and performance characteristics. An array is a contiguous block of memory where each element has a fixed offset from its address. Arrays offer constant time O(1) access to elements using indexing, but have limitations on dynamic size changes as they require reallocating memory. A linked list, on the other hand, consists of nodes that store data and references to the next node in the sequence. Linked lists allow for dynamic insertion and deletion of elements with average time complexity O(1) for insertions at the end (append) and O(n) for insertions at arbitrary positions or deletions, but have slower access times due to the need to traverse through nodes.

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