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WGU D685 Practical Applications of Prompt 2026/2027 – Study Guide & Exam Prep

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Prepare for WGU D685 Practical Applications of Prompt with this study resource designed for the 2026/2027 academic year. Review essential concepts in generative artificial intelligence, prompt engineering, prompt fluency, effective prompt design, scope, specificity, context, output evaluation, and strategies for improving AI-generated results. The material is suitable for WGU students seeking to strengthen their understanding of prompt engineering and prepare for D685 course assessments. WGU's current catalog confirms D685 as a 2-CU Computer Science course.

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WGU D685 - Practical Applications of Prompt

- fundamental limitations of AI The limitations of AI can be categorized into three main areas:
- practical limitations and challenges
- societal concerns and implications.


- dependence on training data Fundamental limitations of AI include:
- limited common sense
- lack of emotional sense.


- perpetuating bias Practical limitations of AI include:
- lack of ethics
- understanding nuances of language and humans.


- data privacy Societal concerns on AI include:
- safety
- security concerns


artificial intelligence (AI) the study of creating machines and computer systems capable of performing tasks
that typically require human intelligence



narrow AI artificial intelligence that is designed and trained for a specific task or narrow set of
tasks



general AI a hypothetical future AI system that would possess human-level intelligence




algorithms defined methods or processes employed to train models, generate predictions, and
execute tasks using data



machine learning a branch of AI that enables computers to improve their performance through
experience without needing explicit programming



AI model a computer program designed to make predictions or decisions based on input data




supervised learning a technique where a model is trained using data that includes labeled examples,
such as images with tagged objects or text with marked entities



unsupervised learning a type of machine learning where the model is trained on unlabeled data without
explicit guidance or supervision



reinforcement learning a type of machine learning wherein an AI agent learns through interactions with an
environment, garnering rewards or penalties contingent upon its actions



neural networks computational models inspired by the structure and function of the human brain's
neural networks that learn from data called training to recognize patterns, make
predictions, and perform tasks such as classification, regression, and pattern
recognition


deep learning a powerful subset of machine learning that uses artificial neural networks to learn
from large amounts of data

, WGU D685 - Practical Applications of Prompt

generative AI AI systems that can create new content




large language models (LLMs) a type of machine learning model that is trained on massive amounts of text data to
understand and generate human-like language



natural language processing (NLP) the field of AI concentrated on enabling computers to understand and engage with
human language, mirroring the intricacies of human communication



chatbots AI programs designed to engage in natural conversations with people, providing
information, answering questions, and even offering emotional support



computer vision a field of artificial intelligence that enables computers to interpret and analyze visual
information from the real world, such as images and videos



robotics the field of AI that focuses on designing, constructing, and operating robots




statistical analysis a technique employed in AI that involves collecting, organizing, examining, and
interpreting data to identify patterns and make predictions



AI tools software programs designed to assist users in performing AI-related tasks




This is an example of Few-Shot Prompting Match the example prompts with the technique:
"Write a dialogue between two friends planning a trip."



structured data data that is organized in a well-defined format and is typically stored in databases or
spreadsheets



unstructured data includes text documents, images, videos, audio recordings, social media posts, and
other types of data that do not fit neatly into a structured format



byte a unit of digital information




gigabyte (GB) a unit of digital information equal to approximately one billion bytes




terabyte (TB) a unit of digital information equal to approximately one trillion bytes




hallucinations an incorrect, misleading, nonsensical, or entirely fabricated output generated by an
AI model

, WGU D685 - Practical Applications of Prompt

adversarial attack deliberate attempts to deceive or manipulate AI systems by introducing carefully
crafted perturbations to the input data



AI drift the phenomenon where the performance of an AI model deteriorates over time as
the underlying data distribution changes



generative adversarial networks (GANs) a type of deep learning model that uses an adversarial training process to create
new data



prompt a user query, command, or input in an AI interface




interface the means by which users interact with and provide input to AI models to generate
desired outputs, such as text, images, or other forms of content



specificity the degree to which prompts are tailored to the individual user's needs, preferences,
and current context



temperature a parameter in the LLM that influences the level of randomness or creativity in
generated outputs



false positive occurs when the model incorrectly generates outputs that are not relevant or
accurate to the input or task



true negative refers to instances where the model correctly identifies inputs or conditions as not
meeting certain criteria or expectations



structured query language (SQL) a specialized programming language used for managing and manipulating relational
databases, facilitating tasks such as data retrieval, insertion, updating, and deletion,
while also enabling database administration and schema definition.


persona refers to a fictional character or user profile created to represent a specific
demographic, behavior pattern, or set of characteristics



input content the information or data provided to a system, model, or application as input for
processing or analysis



output format the structure, layout, and presentation style of the results or outputs generated by a
system, model, or process



additional information supplementary data or details provided alongside the main content to provide
context, clarification, or background information



constraints limitations, conditions, or rules that restrict the behavior, actions, or design choices
of a system, model, or process

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