Introduction to Trees

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Questions and Answers

What is the degree of a tree?

  • The number of children of a node
  • The height of the root
  • The max level of any leaf in the tree
  • The maximum degree of nodes in the tree (correct)

What does the height of a node represent?

  • The number of children of that node
  • The max path length from that node to a leaf node (correct)
  • The max level of any leaf in the tree
  • The height of the root

What is a characteristic of trees as a data structure?

  • Data structure with unlimited children per node
  • Data structure with fixed number of children per node
  • Data structure with only two children per node
  • Non-linear data structure (correct)

What is the main advantage of using a binary tree?

<p>Searching is as fast as in an ordered array (D)</p>
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What is the purpose of implementing a B-tree or B+ tree?

<p>Organizing data (C)</p>
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What is the degree of a node in a tree?

<p>The number of children of that node (A)</p>
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What does the height of a tree represent?

<p>The height of the root (D)</p>
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Which data structure combines the advantages of an ordered array and allows fast insertion and deletion like a linked list?

<p>Binary tree (D)</p>
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What is the main characteristic of trees as a data structure?

<p>Non-linear data structure (B)</p>
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What is a binary tree?

<p>A tree in which no node can have more than two children (C)</p>
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