In this learning activity you'll review what a variable is, how to use variables in JavaScript, and how the computer works with variables.

The learner follows a step-by-step procedure for testing a computer ground circuit.

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.

In this interactive exercise, learners label the components of a workstation, a Windows desktop, and an application window.

Explore Intrusion Detection Systems, what they are, how they're configured, and the types of protection the provide.

In this learning activity you'll review how a local area network computer uses a subnet mask to determine if its message is intended for a computer on the same network or on a remote network.

Learners read definitions of terms related to legal, insurance, and advocacy issues regarding the elderly. At the end of the activity, learners test their knowledge in three matching exercises. Some of the programs and groups discussed are Medicare, Medicaid, Social Security, long-term care insurance, OBRA, SSI, and CWAG.

In this learning activity you'll examine how a large computer network is configured.

In this activity we will discover when recursion is the best solution for your computer programming task.

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.

Explore repetition structures, which are commonly referred to as “Looping” statements, are a vital component of programming computer and industrial applications.

The learner will understand how to set up a Virtual Private Network (VPN) using a home computer network.

In this learning activity you'll discover the disconnected nature of the HTTP request-response model including some methods of persisting state and the security implications.

In this learning activity you'll understand what flow charts are and how they're used to create computer programs.

In this learning activity you'll explore how port scanning is commonly used by hackers to infiltrate a network and how IT security professionals can detect it.

In this animated activity, learners listen to instructions for simplifying a complex fraction by finding the least common denominator. This learning object requires a computer that is equipped with speakers.

In this learning activity you'll explore three common network protocols that computers use to communicate in a network.

In this interactive game, learners review emergency medications. For every right answer, the learner earns a square on the tic-tac-toe board while playing against the computer or another contestant.

In this learning activity, you'll explore what malware is, what the different types of malware are, and how you can protect your computer from these threats.

Understand the pseudocode structure of variable declarations, a vital component of programming computer and industrial applications.