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      Question

      Which of the following scenarios is best suited for

      implementation using a stack data structure?
      A Managing print jobs in a printer queue. Correct Answer Incorrect Answer
      B Implementing the "undo" functionality in a text editor. Correct Answer Incorrect Answer
      C Storing data packets in a network router for transmission. Correct Answer Incorrect Answer
      D Processing tasks in a round-robin CPU scheduling algorithm. Correct Answer Incorrect Answer

      Solution

      Stacks follow the Last-In, First-Out (LIFO) principle. The "undo" functionality requires reversing the most recent action first, which perfectly aligns with LIFO.

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