All these three trees below are proper binary trees. check the picture sent a. true b. false

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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All these three trees below are proper binary trees.

check the picture sent

a. true

b. false

Certainly! Here’s a transcription of the image for an educational context:

---

**Binary Tree Structures**

**Diagram 1: Basic Binary Tree**
- Root Node: 18
- Left Subtree:
  - Node: 15
    - Left Child: 40
    - Right Child: 50
- Right Subtree:
  - Node: 30
    - Left Child: 100
    - Right Child: 40

**Diagram 2: Expanded Binary Tree**
- Root Node: 18
- Left Subtree:
  - Node: 15
    - Left Child: 40
    - Right Child: 50
      - Left Child: 30
      - Right Child: 50
- Right Subtree:
  - Node: 20

**Diagram 3: Modified Binary Tree**
- Root Node: 18
- Left Subtree:
  - Node: 40
- Right Subtree:
  - Node: 30
    - Left Child: 100
    - Right Child: 40

Each diagram illustrates a different structure of a binary tree. Binary trees are fundamental data structures in computer science used for various applications, such as searching and sorting algorithms.

--- 

This explanation describes the nodes and their connections in each binary tree diagram.
Transcribed Image Text:Certainly! Here’s a transcription of the image for an educational context: --- **Binary Tree Structures** **Diagram 1: Basic Binary Tree** - Root Node: 18 - Left Subtree: - Node: 15 - Left Child: 40 - Right Child: 50 - Right Subtree: - Node: 30 - Left Child: 100 - Right Child: 40 **Diagram 2: Expanded Binary Tree** - Root Node: 18 - Left Subtree: - Node: 15 - Left Child: 40 - Right Child: 50 - Left Child: 30 - Right Child: 50 - Right Subtree: - Node: 20 **Diagram 3: Modified Binary Tree** - Root Node: 18 - Left Subtree: - Node: 40 - Right Subtree: - Node: 30 - Left Child: 100 - Right Child: 40 Each diagram illustrates a different structure of a binary tree. Binary trees are fundamental data structures in computer science used for various applications, such as searching and sorting algorithms. --- This explanation describes the nodes and their connections in each binary tree diagram.
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