Ken Shirriff

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Visit arcfn.com → RSS feedOn Hacker News Mar 2009 – Jan 2013

This article is now available in Vietnamese Bộ sạc iPhone của Apple . Disassembling Apple's diminutive inch-cube iPhone charger reveals ...

When you buy a USB charger, how do you know if you're getting a safe, high-quality charger for your money? You can't tell from the outside...

The new biography Steve Jobs contains a remarkable claim about the power supply of the Apple II and its designer Rod Holt: [1] Instead o...

In this article, I show how overflow is computed in the 6502 microprocessor at the transistor and silicon level. I've discussed the mathema...

The arithmetic-logic unit is a fundamental part of any computer, performing addition, subtraction, and logic operations, but how it works i...

The frame below is being served was being served by the Arc language web server running on a SheevaPlug plug computer. (I've replaced th...

I was recently reading The Little Schemer , a very intersting book about how to think in Scheme. The book uses a unique question-response ...