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C949 WGU Terminology with Complete Questions and Answers

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C949 WGU Terminology with Complete Questions and AnswersC949 WGU Terminology with Complete Questions and AnswersC949 WGU Terminology with Complete Questions and AnswersC949 WGU Terminology with Complete Questions and Answers record - ANSWER-data structure that stores subitems, with a name associat...

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  • October 9, 2024
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C949 WGU Terminology with

Complete Questions and Answers


record - ANSWER-data structure that stores subitems, with a name

associated with each subitem




array - 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 - 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 multiple subitems




binary tree - ANSWER-A data structure that consists of nodes, with one root

node at the base of the tree, and two nodes (left child and right child)

extending from the root, and from each child node

, can have no children, single left or right, or both right and left




what is an advantage of a linked list over an array? - ANSWER-when inserting

a new item at the beginning it causes no shift to the data




ADT (Abstract data Type) - ANSWER-data type described by predefined user

operations, such as "insert data at rear", without indication how each

operation is implemented




hash table - ANSWER-data structure that stores *unordered* items by

mapping (or hashing) each item to a location in an array




Priority Queue - ANSWER-a queue in which the highest-priority elements are

removed first; within a priority value, the earliest arrival is removed first.




common underlying DS: heap




Dictionary (map) - ANSWER-ADT that associates (or maps) keys with values




common underlying DS: has table, binary search tree

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