Binary search tree - Study guides, Class notes & Summaries
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C949 WGU Terminology exam questions and answers
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inserting a new item at the beginning it causes no shift to the data 
what is an advantage of a linked list over an array?n 
 
 
 
N 
In the worst case, inserting a new node into a tree with N nodes requires how many comparisons? 
 
 
 
 
reference count 
 
A _____________is an integer counter that represents how many variables reference an object. When an object's reference count is 0, that object is no longer referenced. 
 
 
 
Branching 
 
directs a program to execute either one group of st...
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WGU C949 STUDY GUIDE LATEST UPDATE WITH CERTIFIED SOLUTIONS
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WGU C949 STUDY GUIDE LATEST UPDATE WITH CERTIFIED SOLUTIONS Array A data structure that stores an ordered list of items, with each item is directly accessible by a positional index. 
Linked List A data structure that stores ordered list of items in nodes, where each node stores data and has a pointer to the next node. 
Bianary Search Tree A data structure in which each node stores data and has up to two children, known as a left child and a right child. 
Hash Table A data structure that stores u...
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WGU C949 STUDY GUIDE WITH COMPLETE SOLUTIONS
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WGU C949 STUDY GUIDE WITH COMPLETE SOLUTIONS 
Array - Correct Answer-A data structure that stores an ordered list of items, with each item is directly accessible by a positional index. 
 
Linked List - Correct Answer-A data structure that stores ordered list of items in nodes, where each node stores data and has a pointer to the next node. 
 
Bianary Search Tree - Correct Answer-A data structure in which each node stores data and has up to two children, known as a left child and a right child. 
...
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WGU C949 - Data Structures And Algorithms exam with 100% correct answers 2023
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WGU C949 - Data Structures And Algorithms exam with 100% correct answers 2023 
 
Algorithm 
Describes a sequence of steps to solve a computational problem or perform a calculation. 
Computational Problem 
Specifies an input, a question about the input that can be answered using a computer, and the desired output. 
Longest Common Substring 
An algorithm that determines the longest common substring that exists in two inputs strings. 
Binary Search 
An efficient algorithm for searching a list. The ...
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WGU C949 STUDY GUIDE WITH COMPLETE SOLUTIONS
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WGU C949 STUDY GUIDE WITH 
COMPLETE SOLUTIONS 
Array - answerA data structure that stores an ordered list of items, with each item is directly 
accessible by a positional index. 
Linked List - answerA data structure that stores ordered list of items in nodes, where each 
node stores data and has a pointer to the next node. 
Bianary Search Tree - answerA data structure in which each node stores data and has up to 
two children, known as a left child and a right child. 
Hash Table - answerA data s...
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WGU C949 Data Structures and Algorithms (2023/2024) (Complete and Accurate)
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WGU C949 Data Structures and Algorithms (2023/2024) (Complete and Accurate) 
A functions whose cost scales linearly with the size of the input O(n) 
Iterating over a collection of data once often indicates an ______ algorithm. (alphabet for-loop example) O(n) 
A functions whose cost scales logarithmically with the input size O(log n) 
Which type of function works by breaking down large problem into smaller and smaller chunks? O(log n) 
As the size of the input grows the cost of the algorithm doe...
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Comp 272 Lecture 8 Scapegoat Trees extends Binary Search Tree (uses the Binary Search Tree property) Athabasca University 2022-2023
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Comp 272 Lecture 8 Scapegoat Trees extends Binary Search Tree (uses the Binary Search Tree property) Athabasca University 2022-2023
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WGU C949 STUDY GUIDE WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 16 pages • 2024
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WGU C949 STUDY GUIDE WITH 
COMPLETE SOLUTIONS 
Array - answerA data structure that stores an ordered list of items, with each item is directly 
accessible by a positional index. 
Linked List - answerA data structure that stores ordered list of items in nodes, where each 
node stores data and has a pointer to the next node. 
Bianary Search Tree - answerA data structure in which each node stores data and has up to 
two children, known as a left child and a right child. 
Hash Table - answerA data s...
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WGU C949 Preassessment exam questions and answers 2023.
- Exam (elaborations) • 7 pages • 2023
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Which term refers to a template for creating an object? 
Class 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
Which characteristic of an algorithm is independent in nature? 
Uses an agnostic code repository 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
What is referred to as a data structure that stores subitems? 
Record 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
Which factor takes the ability to easily update an algorithm into consideration? 
Maintainability 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
What is a component of an algorithm ...
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WGU C949 Terminology Exam With 100% Correct Answers 2023
- Exam (elaborations) • 7 pages • 2023
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WGU C949 Terminology Exam With 100% Correct Answers 2023 
record - Correct Answer-data structure that stores subitems, with a name associated with each subitem 
 
array - Correct Answer-a data structure that stores an ordered list of items, with each item is directly accessible by a positional index 
 
homogeneous data elements 
 
linked list - Correct Answer-data structure that stores *ordered* list of items in nodes, where each node stores data and has a pointer to the next node; can have mult...
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