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

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

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 use and construct a truth table for digital devices are provided.

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 wire an integrated circuit are given.

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