Trees in Data Structures
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Questions and Answers

What is the primary characteristic of a tree data structure?

  • It has a circular structure
  • It can have only one level
  • Each node is linked to its successors (correct)
  • It has a fixed number of nodes
  • What is the maximum number of child nodes a node can have in a binary tree?

  • Any number
  • 1
  • 3
  • 2 (correct)
  • What type of binary tree has all levels completely filled except the last level?

  • Full Binary Tree
  • Skewed Binary Tree
  • Complete Binary Tree (correct)
  • Extended Binary Tree
  • What is the term for the distance of a node from the root in a binary tree?

    <p>Level</p> Signup and view all the answers

    What is the term for a node with no child nodes in a binary tree?

    <p>Leaf Node</p> Signup and view all the answers

    What is the term for the highest level of a binary tree?

    <p>Depth</p> Signup and view all the answers

    Which type of tree has most nodes with the left child without corresponding right child?

    <p>Left skewed tree</p> Signup and view all the answers

    In which traversal does the process involve visiting nodes by level order?

    <p>Breadth-First</p> Signup and view all the answers

    What class of binary trees arranges nodes in a specific order?

    <p>Binary Search Tree</p> Signup and view all the answers

    Which operation adds an item to the rear end of a queue?

    <p>offer()</p> Signup and view all the answers

    Which data structure operates on the Last-In-First-Out (LIFO) principle?

    <p>Stack</p> Signup and view all the answers

    What are the special nodes used to replace every null subtree in an Extended Binary Tree?

    <p>External Nodes</p> Signup and view all the answers

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