In this learning activity you'll examine how a data file is broken into packets and transmitted over the Internet.

In this interactive object, learners answer questions about doing research on the Internet.

In this learning activity you'll explore the IPv4 IP address scheme and the planned conversion to IPv6.

In a series of interactive exercises, learners identify the parts of a URL, a Web site, and an e-mail memo. Students are given their score at the end of the activity.

Learners see how a bridge rectifier converts an AC voltage into a pulsating DC voltage. A brief quiz completes the activity.

This video will demonstrate power tapping on a Bridgeport milling machine.

In this animated activity, students view how the Wheatstone bridge is used to activate a temperature alarm. A short quiz completes the lesson.

In this learning activity you'll explore the operation of a full-wave bridge rectifier circuit.

Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.

In this video, we’ll identify the parts that make up the Bridgeport and learn how it works.

In this learning activity you'll discover how the visual perception concept influences your understanding of unstable figures.

This learning activity provides an overview of Search Engine Optimization, or SEO.

Learners view waveforms at various locations of an SCR circuit controlling the intensity a light bulb. The waveforms are shown when the light is dim, at medium brightness, and at full brightness. A brief quiz completes the activity.

Learners observe the waveforms in a circuit in which a triac controls the brightness of a lamp’s light. A brief quiz completes the activity.

Learners watch a video of a walk around inspection of a rough terrain lift truck from front to rear. Note: This object contains video clips. High-speed Internet is highly recommended.

In this learning activity you'll examine a stateful packet inspection firewall that keeps track of legitimate Internet service requests, also known as dynamic packet filtering.

In this learning activity you'll examine how routers transfer data between local area networks and the Internet.

Learners watch a brief video clip. They then follow step-by-step instructions on how to do a urine colony count and examine the criteria for determining if a colony count represents an infection. A brief quiz completes the object.

In this animated object, learners observe the operation of a J thermocouple with a cold junction. A table is used to convert the voltage it produces to a corresponding temperature. A brief quiz completes the activity.

Learners are introduced to the binary-coded decimal, a common way of encoding decimal digits in computing and electronic systems. A brief quiz completes the activity.