About the Author
Preface to the Second Edition
Chapter One Best Friends
Chapter Two Codes and Combinations
Chapter Three Braille and Binary Codes
Chapter Four Anatomy of a Flashlight
Chapter Five Communicating Around Corners
Chapter Six Logic with Switches
Chapter Seven Telegraphs and Relays
Chapter Eight Relays and Gates
Chapter Nine Our Ten Digits
Chapter Ten Alternative 10s
Chapter Eleven Bit by Bit by Bit
Chapter Twelve Bytes and Hexadecimal
Chapter Thirteen From ASCII to Unicode
Chapter Fourteen Adding with Logic Gates
Chapter Fifteen Is This for Real?
Chapter Sixteen But What About Subtraction?
Chapter Seventeen Feedback and Flip-Flops
Chapter Eighteen Letβs Build a Clock!
Chapter Nineteen An Assemblage of Memory
Chapter Twenty Automating Arithmetic
Chapter Twenty-One The Arithmetic Logic Unit
Chapter Twenty-Two Registers and Busses
Chapter Twenty-Three CPU Control Signals
Chapter Twenty-Four Loops, Jumps, and Calls
Chapter Twenty-Five Peripherals
Chapter Twenty-Six The Operating System
Chapter Twenty-Seven Coding
Chapter Twenty-Eight The World Brain
Index