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

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

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 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.

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.

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

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

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.

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

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

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

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.

In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.

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 interactive and animated object, learners examine the SUN VAT-40 battery starting and charging system tester. This learning object demonstrates the use of the tester in diagnosing conventional 12-volt automotive charging systems. It contains audio.

In this interactive object, part 3 in a series, learners follow the steps of the “mathemagician” to examine four numerical curiosities: What’s Special About 1089, Perfect Squares: 1089 and 9801, The Mathematical Significance of 1776, and The Calculator Number Game. The learner will also study six number patterns and look at one remarkable table. Immediate feedback is provided.

In this animated activity, learners examine how various NAND gate configurations and the logic signals produced throughout the circuit perform the functions of all of the other types of logic gates.

In this interactive object, learners assess an accident victim's changing condition and suggest actions that the nurse would take in response to vital signs and lab results regarding the function of Ms. Cindy's kidneys.

In this animated object, learners examine how magnetic waves are transmitted as radio signals.