a. Root node: Root node means highest node in the tree structure, and has no parent. According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Question

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Answer 1

Expert Solution & Answer

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

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Answer 2

Expert Solution & Answer

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

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Answer 3

Expert Solution & Answer

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

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Answer 4

Expert Solution & Answer

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

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Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

Answer 8

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Answer 9

Chapter 8, Problem 1R

Explanation of Solution

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Answer 10

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Answer 11

Explanation of Solution

b.

Internal node:

Internal node means any node of a tree which has child nodes. It is lso known as an inner node, or branch node.

According to the Figure 8.3, the internal nodes are “/user/rt/courses/”, “cs016/”, “cs252/”, “homeworks/”, “programs/”, “projects/”, “papers/”, and “demos/” because, they are the internal nodes in the given Tree.

Answer 12

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Answer 13

Explanation of Solution

c.

Descendant node:

Descendant node of a node is any node in the path from that node to the leaf node. The immediate descendant of a node is the “child” node.

According to the Figure 8.3, the descendant node of “cs016/” contains are “grades”, “homeworks/”, “programs/”, “hw1”, “hw2”, “hw3”, “pr1”, “pr2”, and “pr3”.

Therefore, the total number of descendant node of “cs016/” contains 9.

Answer 14

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Answer 15

Explanation of Solution

d.

Ancestor node:

An ancestor node of a node is any node in the path from that node to the root node. The immediate ancestor of a node is the “parent” node.

According to the Figure 8.3, the ancestor node of “cs016/” is “/user/rt/courses/”.

Therefore, the total number of ancestor node of “cs016/” contains 1.

Answer 16

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Answer 17

Explanation of Solution

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Answer 18

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Answer 19

Explanation of Solution

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Answer 20

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Answer 21

Explanation of Solution

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Answer 22

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

Answer 23

Explanation of Solution

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.

Answer 24

Ch. 8 - Prob. 1R Ch. 8 - Prob. 2R Ch. 8 - Prob. 55C

a. Root node: Root node means highest node in the tree structure, and has no parent. According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

a. Root node: Root node means highest node in the tree structure, and has no parent. According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

Explanation of Solution

Explanation of Solution

Explanation of Solution

Explanation of Solution

e. Siblings of node: Sibling of nodes is nodes on the same hierarchical level under the same parent node. According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

Explanation of Solution

f. Subtree: Subtree of the node is defined as a tree which is a child of a node. According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

Explanation of Solution

g. Depth of node: The depth of a node is the number of edges from the node to the tree’s root node. According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

Explanation of Solution

h. Height of a tree: The height of a node is the number of edges on the longest path from the node to the leaf. According to the Figure 8.3, the height of a tree is 4.

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Chapter 8 Solutions

a.

Root node:

Root node means highest node in the tree structure, and has no parent.

According to the Figure 8.3, the root node is “/user/rt/courses/”, because it is the highest node in the tree structure.

e.

Siblings of node:

Sibling of nodes is nodes on the same hierarchical level under the same parent node.

According to the Figure 8.3, the siblings of node “homeworks/” are “grades/” and “programs/”.

f.

Subtree:

Subtree of the node is defined as a tree which is a child of a node.

According to the Figure 8.3, the subtree rooted at node “projects/” are “papers/”, and “demos/”.

g.

Depth of node:

The depth of a node is the number of edges from the node to the tree’s root node.

According to the Figure 8.3, the depth of node “papers/” are 2 they are “buylow” and “sellhigh”.

h.

Height of a tree:

The height of a node is the number of edges on the longest path from the node to the leaf.

According to the Figure 8.3, the height of a tree is 4.