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Decision Support Systems and Business Intelligence Quiz, Exams of Computer Science

Texas State University Computer Science

A comprehensive assessment of decision support systems (dss) and business intelligence (bi), focusing on their components, data visualization techniques, and big data concepts. It includes a series of multiple-choice questions designed to test understanding of key concepts such as dss components, data visualization tools, the characteristics of big data (volume, variety, velocity), and the role of etl in data processing. The questions cover topics like the purpose of user interfaces in dss, the functions of bi dashboards, and the benefits of real-time data visualization, offering a thorough review of essential bi and dss principles. Useful for students and professionals seeking to enhance their knowledge of these critical business tools and techniques.

Typology: Exams

2024/2025

Available from 08/12/2025

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Comprehensive Assessment of Decision

Support Systems and Business Intelligence:

Components, Visualization, and Big Data

Concepts

1.What is a Decision Support System (DSS)?

oA system that automates all business

processes

oA real-time decision-making tool combining

data, models and user interface ✔

oA simple database program

oA hardware monitoring tool

2.Which is a primary component of a DSS?

oWeb server

oDatabase (or Knowledge Base) ✔

oEmail client

oPrinter

3.What does the model component of DSS

primarily do?

oStores raw data

oProvides analytical and simulation models

to process data ✔

oControls hardware

oSends emails

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Comprehensive Assessment of Decision Support Systems and Business Intelligence: Components, Visualization, and Big Data Concepts 1.What is a Decision Support System (DSS)? o A system that automates all business processes o A real-time decision-making tool combining data, models and user interface ✔ o A simple database program o A hardware monitoring tool 2.Which is a primary component of a DSS? o Web server o Database (or Knowledge Base) ✔ o Email client o Printer 3.What does the model component of DSS primarily do? o Stores raw data o Provides analytical and simulation models to process data ✔ o Controls hardware o Sends emails

4.What is the purpose of the user interface in DSS? o To facilitate interaction between the user and the system ✔ o To store large datasets o To manage networks o To encrypt data 5.Which type of DSS focuses heavily on mathematical and analytical models? o Data-Driven DSS o Model-Driven DSS ✔ o Communication-Driven DSS o Document-Driven DSS 6.What is one key function of DSS? o Automating social media posts o Performing what-if analysis to evaluate different scenarios ✔ o Writing source code o Printing reports only 7.Which of these is NOT a typical characteristic of DSS? o Interactive interface

Which feature is essential in an effective dashboard? o Complex animations o Clarity and easy-to-interpret graphical displays ✔ o Only text o Hidden data
A KPI (Key Performance Indicator) is used in dashboards to: o Define project budgets o Measure business performance against goals ✔ o Encrypt data o Schedule meetings
Big data is characterized by which 3 Vs? o Variety, Volume, Velocity ✔ o Value, Visual, Vertical o Validity, Volume, Variety o View, Value, Voltage
What does “volume” mean in big data? o Amount of data generated ✔ o Speed of data transmission

o Variety of data types o Validity of results

Which term describes the speed at which data is generated and processed? o Variety o Velocity ✔ o Volume o Value
What kind of data is referred to by “variety” in big data? o Data from different sources and formats ✔ o Amount of data o Time delay o Security level
Which technology is commonly used to handle big data storage and processing? o Relational databases only o Hadoop and NoSQL databases ✔ o Spreadsheets o Text files
What business benefit does BI typically provide?

What type of decision making does DSS mainly support? o Structured decisions only o Semi-structured and unstructured decisions ✔ o Hardware decisions o Fully automated decisions
What does a what-if analysis help decision makers evaluate? o The effects of changes in input variables on outcomes ✔ o Physical security status o Network traffic o Keyboard settings
Which of the following BI tools provides interactive data exploration? o Static reports o OLAP (Online Analytical Processing) ✔ o Email clients o File servers
Dashboards typically update data: o Once a year

o In real-time or near real-time ✔ o Only manually o Once a decade

What is the role of metadata in BI systems? o Storing business emails o Data about data to help organize and retrieve information ✔ o Encrypting dashboards o Generating backup files
Which chart type is best for showing trends over time? o Pie chart o Line chart ✔ o Bar chart o Scatter plot
Which big data concept is concerned with data trustworthiness and accuracy? o Variety o Volume o Veracity ✔ o Velocity
What is a common source of big data?

o Send emails o Encrypt information

Dashboards usually display data in the form of: o Numbers only o Visual elements such as charts, gauges, and tables ✔ o Raw text logs o Programming code
What BI process involves deriving insights and meaningful patterns from data? o Data mining ✔ o Data entry o Data backup o Data wiping
What is a "scorecard" in BI? o A tool for evaluating performance against targets ✔ o A printable document o A security certificate o A database server

What type of visualization is best to show parts of a whole? o Line chart o Pie chart ✔ o Scatter plot o Histogram
Which of the following best defines “data warehouse”? o A system for storing integrated, historical data for analysis ✔ o A website hosting service o A transactional database o A backup system
What is the main function of dashboards in DSS and BI? o Help drive informed decisions by summarizing key data visually ✔ o Manage emails o Encrypt files o Manage hardware
Which DSS component helps simulate different decision scenarios? o Database

What kind of analytics is typically used in DSS? o Descriptive, predictive, and prescriptive analytics ✔ o Only image analysis o Only video streaming o Only text editing
What is the benefit of real-time data visualization? o Immediate insight and quick response to business changes ✔ o Delayed updates o Increased manual work o Fewer data points
What is the role of dashboards in monitoring business performance? o Summarize and track key metrics against goals ✔ o Encrypt files o Manage hardware o Send emails
Big data analytics can help organizations: o Predict future trends ✔

o Manage emails o Increase hardware failures o Remove data

Which is a major challenge with big data? o Data privacy and security ✔ o Printing speed o Keyboard layout o File size
Which type of DSS supports collaborative decision making? o Communication-Driven DSS ✔ o File-driven DSS o Hardware-Driven DSS o Email-Driven DSS
What is a dashboard KPI example? o Monthly sales revenue ✔ o Hardware temperature o Number of emails sent o Screen brightness
Which attribute of data is crucial for accurate BI? o Data quality ✔

Decision Support Systems and Business Intelligence Quiz, Exams of Computer Science

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