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DATA STRUCTURE INTERVIEW QUESTION & ANSWERS

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6. Define sibling?
  The nodes with common parent are called siblings or brothers.
  Posted by Vishnupriya. (Nov 29, 2013)
 

The nodes which are belonging to same parent.

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7. What is a linear data structure?
  The linear data structure is a type, in this type of data Structure is in a sequential manner way. There is no hierarchy followed for data arrangement.
The typical examples of linear data structures are Arrays and Linked lists.
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8. What are the types of binary trees?
  There are three types of binary trees :
  • Left skewed binary tree
  • Right skewed binary tree and
  • Complete binary tree
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9. What is a binary tree?
  A binary tree is a data structure in which every node has at most two child nodes (i.e., a node can have zero, one or two child nodes}. Child nodes are referred to as left and right nodes. Each node can have data in it.
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10. What is a binary search tree?
  A binary search tree is a binary tree in which elements are stored in a sorted order. The left subtree of a node will have values less than the value in the node. Similarly, the right subtree of a node will have values greater than the value in the node.
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