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

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

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 will identify the number of significant digits in practice problems.

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

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

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

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.

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

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.

This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.

This animated lesson an exercise that enables students to design a ladder logic circuit using a drag-drop function to cause the cylinder of a hydraulic circuit to extend and retract.

Students read about the importance of the Apgar score in assessing the newborn after delivery. Each sign of the Apgar score is identified with illustrations to help the student recognize the proper rating.

In this learning activity, you'll be introduced to user experience testing.

In this learning activity, you'll explore the basics of prototyping for user experience design.