If something goes wrong with your computer, you might end up on a menu screen where zeros and ones are the only ingredients. They form dishes that not everyone understands and certainly not everyone likes. Yet most of us use computers even though we don't know how they work. Like how many of us don’t know what’s in the food we eat, many of us don’t know whether or not our computer contains malware. What do the codes on the packaging in the supermarket mean? What's on the menu? Or better: what's in it?