Data Science & Artificial Intelligence
Learning Objects
Dive into Wisc-Online’s rich collection of learning objects — bite-sized, interactive, and designed for real learning. These modular digital tools include animations, drag-and-drop exercises, quizzes, videos, and more. You can explore topics across STEM, arts, humanities, career skills, and beyond. Each learning object is crafted to help learners actively engage with content—reviewing, applying, self-checking—in a way that’s flexible and self-paced.
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Learning Object
Access Modifiers in C#
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Achieve Persistence on the Web
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Attributes of a Class: Fields and Properties
In this learning activity you'll discover how C#, attributes provide a way of associating data with an object in two forms - Fields and Properties.
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C# attributes, class, getter, object oriented programming, oop, setter, variable, what are fields and properties
Axis Modes
The learner will gain an understanding of the modes of axis movement for successful robot programming.
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axis modes, axis movement, cartesian coordinates, jogging the robot, robot, robot joints, robot programming, robot rotation, single joint movement
Bandwidth Capacity Techniques
In this learning activity you'll follow the process of converting digital data into a series of analog signals.
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bandwidth, capacity, modem, modems, modulation techniques, what are DSL cable and fiber optic cables
CRUD Applications - Create Retrieve Update Delete
In this learning activity you'll discover what C.R.U.D. applications are and how they're used in everyday life.
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Application, Business Application, crud overview, Data-Driven, how does crud work?, study guide for crud, what is c.r.u.d.?
Concepts of Programming 4: Structure of Variable Declarations
Understand the pseudocode structure of variable declarations
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programming, robotic, variables
Concepts of Programming 5: Pseudocode Structure of Inputs and Outputs
Understand pseudocode structure of Inputs and Outputs, a vital component of programming computer and industrial applications.
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inputs, IT, outputs, programming
Concepts of Programming 6: Pseudocode Structure of Assigning Data to Variables
Understand the pseudocode structure of variable declarations, a vital component of programming computer and industrial applications.
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IT, programming, variables
Concepts of Programming 7: Pseudocode If Statements Structure
Identify the correct description of pseudocode if statements.
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if, IT, programming, statements
Concepts of Programming 8: Pseudocode Repetition Structures using For Statement
Explore repetition structures, which are commonly referred to as “Looping” statements, are a vital component of programming computer and industrial applications.
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IT, Loops, programming, Pseudocode
Concepts of Programming 9: Pseudocode Repetition Structures using While Statements
Explore repetition structures, which are commonly referred to as “Looping” statements, are a vital component of programming computer and industrial applications.
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Do, IT, Programming, Pseudocode, Statements, While
Converting Between Gray and Binary Codes
Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.
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between, binary, code, codes, conversions, converting, gray, number, numbers
Creating Histograms
Students follow steps to transfer data from a list to a histogram.
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frequency, histogram, midpoint, range
Data Flow on the Internet
In this learning activity you'll examine how a data file is broken into packets and transmitted over the Internet.
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ip, layer3, packets, router, routers, routing, tcp, tcp/ip, udp, web, wide, world, www
Data Manipulation Language
Explore what DML is including its main commands INSERT, UPDATE, DELETE, and SELECT.
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CRUD, database, DELETE, DML, INSERT, SELECT, SQL, UPDATE
Database Data Types
In this activity, you'll learn about the different data types associated with databases.
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difference between data types, what are databases, What are datatypes
Database Naming Conventions
In this learning activity, you'll discover and then follow established rules when naming database objects.
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convention, how do I use database naming conventions, naming, objects, what are database naming conventions
Demultiplexers (Screencast)
In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.
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data, dd0003, demultiplexer, demultiplexers, digital, distributor
Exclusive-NOR Gate (Screencast)
In this learning activity you'll review the operation of an Exclusive-NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
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dd0004, digital, electronics, ex, exnor, gate, gates, logic, nor
Identifying the Number of Significant Digits
Learners will identify the number of significant digits in practice problems.
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base 10, decimals, leading zeros, measurements, non-zero digits, significant digits, trailing zeros
Inductive Reactance Demonstration 1
Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.
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demonstration, inductance, inductive, reactance, video
Instantiation: Constructing an Object
In this learning activity you'll discover how constructors in the C# programming language are used to instantiate objects.
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c sharp, c#, constructor, instantiation, Object Oriented Programming, OOP
Internal Elements of a 555 Timer (Screencast)
In this screencast, learners examine the internal elements of a 555 IC and their operation.
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circuit, elements, ic, integrated, internal, timer
International Time Zones (Screencast)
In this screencast, you will learn about the 24 time zones.
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Greenwich, international, Time, Zone
JOINs (Inner, Left, Right, Full)
In this learning activity, you’ll explore four different types of JOINs and understand how they help programmers produce readable reports.
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how do I use joins, inner join, left join, outer join, right join, What are joins
Logic Symbols (Screencast)
The schematic symbols of logic gates used in digital circuits are shown.
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dd0004, gates, logic, schematic, symbols
Normalization – 1st Normal Form
In this learning activity you'll explore and practice the first step in normalizing a database.
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1nf, 2nf, 3nf, how do you normalize a database, normal form, primary key, what is data normalization, what is first normal form
Normalization – 2nd Normal Form
In this activity you'll practice designing a table in second normal form.
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1nf, 2nf, 3nf, concatenated, normal form, partial dependency, primary key
Normalization – 3rd Normal Form
In this learning activity, you'll be introduced to Third Normal Form and you'll design a table following these rules.
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1nf, 2nf, 3nf, database normalization, prinary key, third normal form, transitive dependency, what is third normal form
Object or Class?
In this learning activity, you'll watch an animated explanation of the terms class and object as used by computer programmers, and then contrast the differences.
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Abstraction, Animated explanation, Classes, Classroom resources, Computer programming, Data types, Educational resources, eLearning, Encapsulation, Inheritance, Interactive learning, Learning activities, Methods, Object-oriented programming, Objects, Online learning, Polymorphism, Programming concepts, Programming languages, Programming terminology, Student engagement, Study aids, Variables
Op Amp Comparator (Screencast)
Students read an explanation of the operation of an operational amplifier that functions as a comparator.
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amp, amplifier, comparator, op, operational, rr0005
Overflow and Underflow for Signed Binary Numbers
Learners examine the occurrence of overflow and underflow conditions in a programmable logic controller. It is recommended that users view the learning object “Signed Binary Numbers” in advance of this object.
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binary, number, numbering, numbers, overflow, signed, system, underflow
Parameters and Arguments
In this learning activity, you’ll discover the difference between a parameter and an argument.
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expression, function, javascript, programming, variable, what are parameters and arguments
Pie Charts/ Basic Social Studies (Video)
Students interpret pie chart information and identify the parts of a chart in an interactive exercise.
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chart, part, percent, pie, represents, whole
Pointers In C++
In this learning activity you'll be introduced to programming pointers compatible with both the C and C++ languages.
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address-of, arrow operator, dereference, dereference operator, dot operator, memory, pointers, what are C++ pointers?
Powers of Ten: The Proper Use of Symbols (Screencast)
Students read about the six common terms used to represent the powers of ten in the field of electronics and complete two matching exercises.
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ac, dc, electronics, powers, symbols, ten
Programming in C++ Using Constants
In this learning activity you'll discover the const keyword and it’s uses in C++.
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function, keyword, memory, pointer, programming, variable, what is the const keyword
Reading and Interpreting Bar Graphs
In this learning activity you'll identify the various parts of a bar graph, read and interpret its data, and calculate the data to solve various application problems.
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analysis, bar, data, graph, graphs, interpreting, reading
Recursion - See Recursion
In this learning object you'll learn what recursion is and how to use it.
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base case, c#, call stack, carl franklin, function, interface, programming, recursion
Referential Integrity
Explore what referential integrity is, why it's important to reliable data organization, and learn how it enforces constraints.
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constraint, database, erd, foreign key, how does referential integrity work, lookup table, normal form, normalization, primary key, RDBMS, relational
Signed Binary Numbers: 2's Complement
Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.
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binary, numbering, numbers, signed, singed, system
Stem and Leaf Plots (Screencast)
In this learning activity you'll create a stem and leaf plot.
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how do I create a stem and leaf plot, how do I use a stem and leaf plot, leaf, plot, stem, what is a stem and leaf plot
Strings in the .NET Framework
In this activity, we will explain the string datatype in the .net framework and cover the peculiarities of a reference type that appears to behave like value type.
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c#, primitive, reference type, string, value type
Subtracting Binary Numbers by Adding the 2's Complement
In this learning activity you'll solve three binary subtraction problems using the 2's complement method.
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math, microprocessors, micro-processors, two's complement, what is a binary number
The 7493 IC Binary Counter (Screencast)
In this screencast, learners examine the construction of a 7493 IC as mod-2 and mod-8 up-counters. They view how this binary counter can be modified to operate at different modulus counts.
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7493, counter, electronic
The Basic Operation of a Diode
In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.
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biased, diode, diodes, forward, reverse, rr0001, semiconductor
The CLR: Overview of the Common Language Runtime
In this learning activity, you’ll explore the Common Language Runtime, or CLR.
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Truth Tables
Instructions on how to use and construct a truth table for digital devices are provided.
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dd0001, devices, logic, table, tables, truth
Truth Tables (Screencast)
Instructions on how to use and construct a truth table for digital devices are provided.
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dd0001, devices, logic, table, tables, truth
Understanding Common DDL Statements
In this learning activity, you’ll explore the Data Definition Language (DDL) including its three main commands: CREATE, ALTER, and DROP.
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DDL, SQL
Understanding and Writing Pseudocode: Advanced Topics
In this module, you'll build upon the concepts Understanding and Writing Pseudocode: The Basics, by learning new techniques and terms to make your pseudocode more complete.
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coding, creating code using pseudocode, how does pseudocode work, programming languages, using pseudocode, What is pseudocode
Understanding and Writing Pseudocode: The Basics
In this activity you'll explore how flowchart programs can be converted into pseudocode programming.
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how is pseudocode used, What is pseudocode, Writing programs using pseudocode
User Experience Design : Remote vs. In-Person Usability Testing
In this activity, you'll discover the differences, advantages, and disadvantages of remote and in-person usability testing.
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different types of usability testing, prototyping, user experience designers, ux, uxd, What is remote vs in-person usability testing
User Experience Design: Testing
In this learning activity, you will learn about testing for user experience design.
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brand, customer experience, customer satisfaction, usability, ux, web design
User Experience Design: Usability Research Methods
In this learning activity, you'll be introduced to three common usability research methods.
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card sort, prototype, prototypes, sort card, usability research methods, user experience design, ux, uxd, wireframes
User Experience Design: Usability Testing
In this learning activity, you will learn about usability testing.
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task planning, user experience design, UX, UxD, What is usability testing
User Experience Design: User Experience Testing
In this learning activity, you'll be introduced to user experience testing.
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how does user experience testing work, Prototypes, UXd, What is user experience testing
Value Types and Reference Types in the .Net Framework
In this learning activity you'll discover the functional differences between value and reference types within the .Net framework.
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.Net, c#, computer science, DotNet, garbage collector, heap, information technology, programming, stack
Variables in Computer Programming (C#)
In this learning activity you'll define what a variable is, how they're used in the C# programming language, and how the computer works with variables under the hood.
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abstraction, C#, code, memory, programming, RAM, variable
Variables in Computer Programming (JavaScript)
In this learning activity you'll review what a variable is, how to use variables in JavaScript, and how the computer works with variables.
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abstraction, code, JavaScript, memory, programming, RAM, variable
What Is Normalization?
In this learning activity you'll examine how database normalization eliminates redundancy and helps maintain consistency within a relational database.
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1nf, 2nf, 3nf, data, data anomalies, normal form, normalization, redundancy, referential integrity
What is Database Denormalization?
In this activity, the learner will understand what denormalization is and when it's an appropriate strategy.
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denormalization, flatten, performance, reporting
What is an Algorithm?
In this learning activity, we’ll learn what an algorithm is.
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Algorithm, Get Unstuck, IT Study guide
Wisc-Online FAQs
Explore this section for helpful answers to common questions regarding Wisc-Online.
Why did Wisc-Online change?
Wisc-Online has upported millions of learners for over 20 years. It was time for a refresh! By moving to WisTech Open, we were able to continue offering free, high-quality learning resources on a more modern, sustainable platform.
What happened with the Wisc-Online Arcade?
The Play Games Arcade went offline at the time Wisc-Online moved to WisTech Open.
Do saved links or bookmarks still work?
No, bookmarks to the old site stopped working after December 2025.
What happened to Wisc-Online objects that were downloaded into LMS platforms?
If instructors had downloaded and embedded Wisc-Online objects (like SCORM packages) into their LMS, those continued to work even after the Wisc-Online site transitioned to WisTech Open. These objects were self-contained and did not rely on the live site.
Is there an opportunity to develop new content?
Yes. Ideas for new content could be shared at https://www.wistechopen.org/contact by selecting “Pitch a Project Idea.” All project ideas were considered based on available funding.