A Nano-Introduction to Nanotechnology
By Barbara Liang
In this animated object, learners read about the uses of nanotechnology. The sciences, engineering, electronics, and other disciplines converge in nanotechnology. Examples are given for applications in manufacturing, biomedicine, and environmental science. Concerns about possible environmental effects are discussed.
An Algorithm for Converting a Decimal Number to a Binary Number
By Kevin Ritzman
In this learning activity you'll examine a systematic method for converting a decimal number (base 10) into a binary number (base 2).
An Introduction to Motor Proteins and Nanotechnology
In this animated object, learners consider how nanoscientists are mimicking intracellular movements when building nanobots.
An Overview of IT Project Management
By Kimberly Reed
In this learning activity, you’ll be introduced to the many responsibilities of being an IT project manager.
An Overview of the Raspberry Pi
By Joseph Wetzel
In this learning activity you'll discover what the Raspberry Pi is, how it's used, and some projects you can do at home.
Analog and Digital Converters
By Terry Bartelt
In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.
Async and Await
In this learning activity, we’ll explore how async and await is used in mobile programming to allow multiple tasks to happen at once.
Authentication versus Authorization
In this learning activity you'll review the differences between identification, authentication, and authorization.
Bandwidth
By Dennis Fontaine, Terry Bartelt
In this learning activity you'll explore bandwidth.
Bandwidth Capacity Techniques
In this learning activity you'll follow the process of converting digital data into a series of analog signals.
Basics of the SELECT Statement
By Glen Orsburn
Learners use this Structured Query Language tutorial to gain an understanding of how a SELECT statement is built. This learning object has audio content.
Clients and Servers
In this learning activity you'll observe how computers operate in a client-server network operating system and consider the advantages and disadvantages of such a system.
Coaxial Cables
In this learning activity you'll examine the RG ratings, networking applications, and types of connections for various coaxial cables.
Comparing Analog and Digital Signals
Learners compare animations of analog and digital data signals. A short quiz completes the activity.
Components of a Computer Workstation: Skills Check 1
By Dar DeBruin-Hein
In this interactive exercise, learners label the components of a workstation, a Windows desktop, and an application window.
CRC – Cyclic Redundancy Check
By Dawn Rohm
In this learning activity, you’ll be introduced to what the CRC is, the technology behind it, and how it’s performed.
Data Conversion
Learners observe animations showing how data is converted between serial and parallel flow.
Data Flow on the Internet
By Mark Puig
In this learning activity you'll examine how a data file is broken into packets and transmitted over the Internet.
Data Manipulation Language
By jamiecchavez
Explore what DML is including its main commands INSERT, UPDATE, DELETE, and SELECT.
DDoS - Distributed Denial of Service Attacks
Explore what DDoS attacks are, the methods used to carry them out, and how to prevent them.
Denial of Service Attacks
In this learning activity you'll explore what a denial of service attack is and learn how a single hacker can take down an entire system.
Digital-to-Analog Converters
In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.
Domain Model
In this learning activity you'll examine how a large computer network is configured.
Dynamic Host Configuration Protocol
In this learning activity you'll examine the software operation Dynamic Host Configuration Protocol (DHCP), which automatically performs TCP/IP configurations.
Fiber-Optic Cables
In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.