Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.

The schematic symbols of logic gates used in digital circuits are shown.

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

In this learning activity you'll practice using the 4-input truth table.

Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.

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 animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.

Students analyze the eight single variable Boolean theorems and their expressions.

In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.

This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

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

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

Instructions on how to interpret state indicator symbols for input and output terminals of digital devices is presented.

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 answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.

Learners read how to calculate the MOD number and how it is used.

In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.

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.

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

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

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

In this animated activity, students view the operation of a 4-bit serial-in serial-out register. A brief quiz completes the learning object.

In this animated object, learners examine three different types of multivibrators: astable, monostable, and bistable. A brief quiz completes the activity.

In this learning activity you'll review the operation of a NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

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.