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OMIS 472 Midterm Exam questions with verified answers
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OMIS 472 Midterm Exam questions with verified answers
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OMIS 472 Midterm ExamData = - correct answer ✔✔-raw figures
-metadata
Information = - correct answer ✔✔With context data become information, reveals relationships
between entities (What?)
Knowledge = - correct answer ✔✔With added meaning, reveals trends and patterns (Why?)
Wisdom = - correct answer ✔✔reveals ideas, principles, biases, insights over time (What could happen?)
Decision= - correct answer ✔✔course of action, implementation, monitoring, correction (What should
we do?)
Data Analytics is a process that involves: - correct answer ✔✔-identifying the problem
-gathering relevant data that frequently are not in a usable form
-cleaning up the data to make them usable
-loading them into data storage models
-manipulating them to discover information that leads to actionable insights
-making decisions based on those insights
Data Science = - correct answer ✔✔the intersection of computer science, statistics and domain
knowledge
Business Intelligence: - correct answer ✔✔focuses primarily on business data, financial data, and
marketing data to gain business value, customer loyalty, and other benefits
Applications of Analytics: - correct answer ✔✔-Retail
, -Manufacturing (demand forecasting)
-Marketing
-Supply Chain
-Customer Service/Help desk
-Forecasting & Budgeting
-Audit
-Government
-Utilities
-Sports
Structured Data = - correct answer ✔✔computer-readable and usable
Structured Data examples: - correct answer ✔✔-Flat files
-spreadsheets
-data sourced from databases
T or F: Structured data are based on data models and therefore contain metadata to provide a
predetermined structure and meaning - correct answer ✔✔True
Unstructured Data = - correct answer ✔✔they do not conform to data models and associated metadata
Unstructured Data Examples: - correct answer ✔✔-pictures
-audio recordings
-videos
-blocks of text (most common)
What does OLTP stand for? - correct answer ✔✔Online Transaction Processing
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