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.

Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.

Learners compare animations of analog and digital data signals. A short quiz completes the activity.

In this learning object you'll explore how agents of socialization shape a person's life and you'll map the significant events, places, and people that have shaped your life.

Learners will identify the number of significant digits in practice problems.

In this learning activity you'll identify the voltage levels produced or recognized by digital logic devices as valid or invalid logic state signals.

In this animated object, users view how a kanban signals production to start.

Multimedia Principles - Signaling. Explore how using voice and visual cues can help your learners focus, organize, and process your content.

Students read the rules used in multiplying and dividing signed numbers. They view examples and work practice problems.

Learners examine animations of the most common transmission signals used in automated systems, such as 4 mA to 20 mA, 3 psi to 15 psi, and 0 to 10 volts. A brief quiz completes the activity.

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.

Learners follow steps to trace logic signals from the inputs of several interconnecting logic gates to one output.

Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.

Students view the mathematical expression of a sinusoidal waveform with respect to time (t) and solve five problems. The answers are provided so students may check their work.

Students view the mathematical expression of an AC waveform with respect to time (t) and read about the different components of this expression.

In this learning activity, you'll be introduced to three common usability research methods.

In this learning activity you'll explore an overview of User Experience Design and recognize how User Experience Design (UXD) can make you a better designer.

In this learning activity you'll gain tips for successfully completing welding assignments.

In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

In this activity, you'll learn how Fitt's Law applies to user experience design.