In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.

In this learning activity you'll review how an OR gate operates using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

In this animated activity, the learner examines how a 74150 IC multiplexer and a 74154 IC demultiplexer work together when their data select lines are connected to the same input devices.

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

Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.

In this animated object, learners examine how a multiplexer and a demultiplexer work together when their data select lines are connected to the same binary counter.

In this animated activity, learners view the flip-flop and read about its outputs, the information it stores, and its storage conditions. A quiz completes the lesson.

Learners read an explanation of how to troubleshoot a faulty digital-to-analog converter that has a shorted input.

Students view the layout and operation of a digital logic probe.

The explanation and use of timing diagrams used in digital electronics to graphically show the operation of various circuits are given.

In this interactive learning object, students read about the voltage and current parameters commonly found on a data sheet. A brief quiz completes the activity.

Students observe the operation of a tri-state buffer used in digital electronics. A brief quiz completes the activity.

In this animated object, learners view the operation of an open-collector inverter with and without a pull-up resistor.

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

Learners read the characteristics of the TTL series. Examples are given and subfamilies are compared.

In this learning activity you'll explore the operation of frequency division using several different types of counters.

Instructions on how to use and construct a truth table for digital devices are provided.

In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

Students read the multivariable theorems and view the graphic depictions of the Boolean expressions.

In this animated activity, learners view how to clear and preset a flip-flop to store a logic 0 or a logic 1.

In this animated activity, learners examine the fundamental operation of a logic probe that is used to detect logic signals in a digital circuit.

In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

Learners examine the concept of propagation delay within a TTL logic gate. The concept is explained with the use of timing diagrams and sample calculations.

In this learning activity you'll describe the operation of a logic inverter using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

Learners view the operation of the 7485 integrated circuit magnitude comparator in this animated object. A quiz completes the activity.