WGU 949
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WGU C949 EXAM QUESTIONS AND ANSWERS
- Exam (elaborations) • 3 pages • 2023
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binary search 
first checks the middle element of the list. If the search key is found, the algorithm returns the matching location. If the search key is not found, the algorithm repeats the search on the remaining left sublist (if the search key was less than the middle element) or the remaining right sublist (if the search key was greater than the middle element) 
 
 
 
linear search 
may require searching all list elements 
 
 
 
selection sort 
sorting algorithm that treats the input as two ...
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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 Data Structures and Algorithms with 100% correct answers.
- Exam (elaborations) • 9 pages • 2023
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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 does not increase at the same rate. The overall cost...
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WGU C949 STUDY GUIDE QUESTIONS AND ANSWERS
- Exam (elaborations) • 18 pages • 2023
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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 unordered items by mapping (or hashing)...
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