- AA data structure that allows elements to be inserted and removed in any order
- BA data structure that allows elements to be inserted and removed from the beginning or end
- CA data structure that allows elements to be inserted and removed from one end only
- DA data structure that allows elements to be inserted at one end and removed from the other end
Correct Option: D
Answer: d) A data structure that allows elements to be inserted at one end and removed from the other end
Explanation: A queue is a data structure that follows the First-In-First-Out (FIFO) principle, meaning that the element that is inserted first will be the first to be removed. It allows elements to be inserted at one end (rear end) and removed from the other end (front end).