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Which traversal method uses a queue for its implementation?

Practice Questions

Q1
Which traversal method uses a queue for its implementation?
  1. DFS
  2. BFS
  3. In-order
  4. Pre-order

Questions & Step-by-Step Solutions

Which traversal method uses a queue for its implementation?
  • Step 1: Understand what a traversal method is. It is a way to visit all the nodes in a graph or tree.
  • Step 2: Learn about BFS (Breadth First Search). It is one of the traversal methods.
  • Step 3: Know that BFS explores all the neighbors of a node before moving to the next level.
  • Step 4: Realize that to keep track of which nodes to visit next, BFS uses a queue.
  • Step 5: Remember that a queue is a data structure that follows the First In, First Out (FIFO) principle.
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