Learners view an animation showing the one-shot operation of a programmable logic controller.
The Reflected Load in a Transformer
By Terry Bartelt
Learners examine how the load resistance connected to the secondary coil of a transformer affects the primary current. A brief quiz completes the activity.
Opens and Shorts
In this animated activity, students examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.
Oscilloscope Coupling Switch
Learners read a description of the function of the coupling switch on an oscilloscope and how its setting affects measurements of DC, AC, and combined voltages. A brief quiz completes the activity.
The TI-86 Calculator: Using the Reciprocal Key
By Patrick Hoppe
The use of the reciprocal key on the TI-86 scientific calculator is demonstrated in the solution of parallel resistors.
The schematic symbols of logic gates used in digital circuits are shown.
Logic State Signals
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 use and construct a truth table for digital devices are provided.
Digital Circuit Devices
The two types of digital devices, logic gates and flip-flops, and the types of basic operations they perform are presented.
The Logic Gates
Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.
You'll focus on terminology related to designing a hypothetical program.
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