7128481
Descrição
Quiz por Mena Sargios, atualizado more than 1 year ago
|
Criado por Mena Sargios
mais de 7 anos atrás
|
|
Questão 1
Questão
What are the internal node stipulations in a 2-3-4 tree?
Responda
-
If the internal node has one data item in it, then it only has two children if the internal node has two data items in it, then it has three children if the internal node has three data items in it, then it has four children
-
none of the above
Questão 2
Questão
An internal node in a 2-3-4 tree is said to be a _ node if it has
_ data elements.
Responda
-
A) 2, 2
-
B) 3, 2
-
C) 3, 4
-
D) 4, 4
Questão 3
Questão
What makes a 2-3-4 tree seperate from a binary tree?
Responda
-
Each node can have up to three elements and four children.
-
none of the above
Questão 4
Questão
What does the 2,3,4 in a 2-3-4 tree mean
Responda
-
A.how many links to child nodes can potentially be contained in a given node
-
B.how many searches must be done find element of the tree
-
C.none of the above
-
D.A and B
Questão 5
Questão
What are 2-3-4 tree's commonly used to implement?
Responda
-
Dictionaries
-
none of the above
Questão 6
Questão
a 2–3–4 tree is a self-balancing data structure that is commonly used to implement dictionaries.
Responda
- True
- False
Questão 7
Questão
in a 2-3-4 tree a node can have up to 4 children?
Responda
- True
- False
Questão 8
Questão
Which of the following is true of 2-3-4 trees?
Responda
-
a. a 2-node has TWO data elements and TWO child nodes.
-
b. a 3-node has TWO data elements and THREE child nodes.
-
c. a 4-node has THREE data elements and THREE child nodes.
-
d. None are true!
Questão 9
Questão
What is the maximum number of children in a 2-3-4 tree?
Responda
-
A) There is no maximum
-
B) 9
-
C) 2
-
D) 4
Questão 10
Questão
A tree where every node with children has either 2, 3, or 4 children:
Responda
-
2-3-4 tree
-
none of the above
Questão 11
Questão
A 2-3-4 tree is a tree where every node with children has ________ child nodes.
Responda
-
A. 2 3 or 4
-
B. 1 2 or 3
-
C. 4 5 or 6
-
D. 2 4 or 6
Questão 12
Questão
What is one proerty of 2-3-4 trees?
Responda
-
A) All external nodes are at the same depth
-
B) The trees have height 2, 3, or 4
-
C) They are A-Trees
-
D) None
Questão 13
Questão
Which of the following is a characteristic of a 2-3-4 tree?
Responda
-
A. all leaves are on the same level
-
B. each node has 2 keys with 3 children, and every tree is log 4 for searching
-
C. has 3 or 4 keys per node
-
D. each node can have any number of children, but only 2, 3, or 4 keys per node
Questão 14
Questão
What are the properties of a 2-3-4 tree?
Responda
-
A. Every node (leaf or internal) is a 2-node, 3-node or a 4-node, and holds one, two, or three data elements, respectively.
-
B. All leaves are at the same depth (the bottom level).
-
C. All data is kept in sorted order.
-
D. All of the above
Questão 15
Questão
2-3-4 trees are an isometry of red-black trees.
Responda
- True
- False
Questão 16
Questão
In computer science, a 2–3–4 tree (also called a 2–4 tree) is a self-balancing data structure that is commonly used to implement dictionaries.
which is not correct the following properties of 2-3-4 tree?
Responda
-
a. Every node (leaf or internal) is a 2-node, 3-node or a 4-node, and holds one, two, or three data elements, respectively.
-
b. All leaves are at the same depth (the bottom level).
-
c. All data is kept in sorted order.
-
d. All data is not kept in any certain sorted order.
Questão 17
Questão
which one is not right about the 2_3_4 tree?
Responda
-
A. one node in a 2_3_4 tree must has 4 child nodes.
-
B. In the average case, the time complexity of searching one member of the 2_3_4 tree is O(logn).
-
C. In the average case, the time complexity of inserting one member into the 2_3_4 tree is O(logn).
-
D. 2–3–4 trees are B-trees of order 4.
Questão 18
Questão
In big O notation, what is the worst case time complexity for inserting a node into a 2-3-4 tree?
Responda
-
A) O(Log(N+1))
-
B) O(Log(N-1))
-
C) O(Log(N/2))
-
D) O(Log(N))
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.