The USB port is something most of us take for granted. You plug in a phone, keyboard, or one of the many useful USB gadgets out there, and it just works. But not too long ago, this was basically ...

The first computer my family owned was an 80286 IBM clone, and it had lots of ports, none of which looked the same. There was a big 5-pin DIN for the keyboard, a serial port, a parallel port, a game ...