Learners compare animations of analog and digital data signals. A short quiz completes the activity.
Firewalls: Relationships Among Firewall Perimeters
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
Effects of a Rheostat in a Series Circuit
By Terry Bartelt
In this animated object, learners examine how the way in which a rheostat is connected in series with other resistors causes current and voltage to change as the resistance is varied. A brief quiz completes the activity.
Series RL Circuit Practice Problems
By James Bourassa, John Rosz
Students calculate current, phase angle, resistor voltage, inductor voltage, and power.
Unshielded Twisted Pair Cables
In this learning activity you'll identify various types of unshielded twisted pair cables and their networking connectors.
Analog Ammeter Operation
Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.
Intercultural Communication: Gestures
By Elizabeth Jones
The learner will recognize common gestures and identify the meanings associated with those gestures.
Analog and Digital Converters
In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.
Learners examine the function of the analog wattmeter to measure true power, how it is connected in a circuit, and how the internal components develop a measurement. A brief quiz completes the activity.
Hexadecimal Number Conversion Practice Problems
By Patrick Hoppe
In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.
Radio Frequency Propagation
You'll focus on how radio frequencies spread under different circumstances.
Basic Internet concepts for kids
Test your knowledge of multimedia acronyms commonly used in the computer industry.
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