Multiple choice

Which of the following data structures follows this rule? undefined

  1. Tree

  2. Stack

  3. Queue

  4. String

  5. Set
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A queue is a First In First Out (FIFO) data structure. In a FIFO data structure, the first element added to the queue will be the first one to be removed. This is equivalent to the requirement that once a new element is added, all elements that were added before have to be removed before the new element can be removed.

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