Describe a real-world scenario where the use of a stack or queue is appropriate.

  • Managing a list of logged-in users in a chat application.
  • Managing a queue of requests in a web server.
  • Managing the priority of tasks in an operating system.
  • Managing undo operations in a text editor.
Stacks and queues find numerous real-world applications. For instance, in a text editor, a stack can be used to implement undo operations efficiently. Similarly, a queue can manage requests in a web server, ensuring fair handling based on arrival order.
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