Beginner's Guide to Digital Electronics

Chapter 1 - Introduction to Logic Gates
Chapter 2 - More Logic Gates
Chapter 3 - A binary adder
Chapter 4 - AND-OR networks and Computer ROM
Chapter 5 - Notation
Chapter 6 - Karnaugh maps
Chapter 7 - Memory and Bistables

A series of mini-projects

These projects are designed to be carried out in conjunction with the simulator program on the icon menu below. In each case you should open two copies of your web browser, loading the simulator program into one and the project into the other, so that you can swap between them continually.

Multiple XOR-gate circuits.
A problem with racing signals.
Binary subtraction