Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.

Learners examine the fundamental operation of a difference operational amplifier. A brief quiz completes the activity.

Explore what passive transport diffusion is and how it moves water through a membrane.

The learner will distinguish effective from ineffective approaches to writing instructions.

In this animated object, learners examine the operation and programming requirements of a PLC Examine-Off instruction. A brief quiz completes the activity.

In this screencast, people preparing to work in a medical office review the basic steps to follow when taking phone messages.

Learners brainstorm ideas for how to gather information from team members who work at different locations. They analyze the pros and cons of each idea and make recommendations.

This video will examine the parts of an offset boring head, and how to setup and use the head.

Students read a definition of Kirchhoff's Voltage Law and view examples of its use.

In this learning activity you'll review how to write effective goal statements.

Learners review Kirchhoff's Current Law and work six practice problems. Feedback is given.

Students read about the concepts of saturation and cutoff. They view diagrams that illustrate the interaction of the load line and the family of curves.

In this learning activity you'll factor problems using the difference of two perfect squares.

Learners review office processes to find ways to save time.

In this screencast, learners read about the components of a hotel housekeeping staffing guide. They also review calculating labor requirements and costs.

Learners examine the seven most common barriers to effective listening and consider suggestions for how to overcome these barriers. This interactive object contains audio.

This activity will review determining geometric tolerances for a part.

Learners examine the current and voltage changes in a series-parallel circuit as the resistance value of a rheostat is varied. Illustrations and calculations are included.

In this learning activity you'll complete a skill-building exercise identifying effective nonverbal behavior.

Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.