1 Best Friends
2 Codes and Combinations
3 Braille and Binary Codes
4 Anatomy of a Flashlight
5 Seeing Around Corners
6 Telegraphs and Relays
7 Our Ten Digits
8 Alternatives to Ten
9 Bit by Bit by Bit
10 Logic and Switches
11 Gates (Not Bill)
12 A Binary Adding Machine
13 But What About Subtraction?
14 Feedback and Flip-Flops
15 Bytes and Hex
16 An Assemblage of Memory
17 Automation
18 From Abaci to Chips
19 Two Classic Microprocessors
20 ASCII and a Cast of Characters
21 Get on the Bus
22 The Operating System
23 Fixed Point,Floating Point
24 Languages High and Low
25 The Graphical Revolution
Acknowledgments
Index
