By Debbie McClinton
By Dr. Miriam Douglass
By Dr. Martin McClinton
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In this animated activity, students read about the two general types of variable resistors: potentiometers and rheostats. They then answer six multiple-choice questions.
In this learning activity you'll identify the voltage levels produced or recognized by digital logic devices as valid or invalid logic state signals.
Instructions on how to interpret state indicator symbols for input and output terminals of digital devices is presented.