Basic Concepts

Timing Diagrams
Logic State Signals
Wiring Integrated Circuits
Truth Tables
Digital Circuit Devices
Tri-State Buffer
Logic Probe Troubleshooting
Logic Probes
The 4-Input Truth Table
Digital Number Systems

Hexadecimal Numbering System
Hexadecimal Number Conversion Practice Problems
A Drill for Converting Binary Numbers to Decimal Numbers
Binary to Decimal Number Conversion
The Binary-Coded Decimal
Combination Circuits

Logic State Indicators
Magnitude Comparators
Cascading Magnitude Comparators
Tracing Logic Circuit Signals
Multiplexers
Demultiplexers
The Operation of a Multiplexer/Demultiplexer Circuit
The Multiplexer/Demultiplexer IC Data Transfer Circuit
BCD-to-Seven Segment Decoder
Basic Logic Gates

Logic Symbols
AND Gates
Basic Logic Gates
NAND Gates
OR Gates
The Open-Collector Logic Device
Exclusive-OR Gates
Exclusive-NOR Gate
The Universal NAND Gate
Inverters
NOR Gates
Flip-Flops

Clock Pulse Triggering of Flip-Flops
The Flip-Flop
The JK Flip-Flop
Presetting and Clearing a Flip-Flop
Multivibrators
Troubleshooting a Faulty JK Flip-Flop
Counters

Frequency Dividers
The 7493 IC Binary Counter
Registers

Serial-In Serial-Out Shift Register