What is the primary difference between a stack and a queue?

  • Memory allocation
  • Order of insertion
  • Order of removal
  • Sorting mechanism
The primary difference between a stack and a queue lies in the order of removal and insertion. A stack follows the Last In, First Out (LIFO) order, meaning the last element added is the first to be removed. On the other hand, a queue follows the First In, First Out (FIFO) order, where the first element added is the first to be removed.
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