Which of the following applications is best suited to use a queue?

UP Police Computer Operator Grade A · 2023 · Computer Operator Grade A · 1 Nov 2025 single shift · Computer Science

1. A.

   Function call recursion

2. B.

   Depth-first search in graphs

3. C.

   Printer job scheduling

4. D.

   Undo feature in a text editor

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