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

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

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

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

In this interactive and animated object, learners examine the construction of a 7493 IC as mod-2 and mod-8 up-counters. They view how this binary counter can be modified to operate at different modulus counts. A quiz completes the activity.

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

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

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

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

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.

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

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.

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

Learners read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.

In this animated activity, learners examine the construction of a binary counter using a JK flip-flop. The ability of the JK flip-flop to "toggle" Q is also viewed.

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

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

The two types of digital devices, logic gates and flip-flops, and the types of basic operations they perform are presented.

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.

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

Students follow steps to determine the number of inputs that can be driven by a specific IC. A sample problem is given.

Learners examine the fundamentals of a pulse train. Concepts such as time on, time off, duty cycle, period, and frequency are covered.

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 object, learners follow a process for troubleshooting digital integrated circuits on a printed circuit board using a logic probe.