The carbon inside you could have existed in any number of creatures or natural disasters before finding you. That particular atom residing somewhere above your left eyebrow? It could well have been a smooth riverbed pebble before deciding to call you home. You are rock and wave and the peeling bark of trees, you are ladybirds and the smell of a garden after the rain.
Computers are systems of abstractions, made from the rocks that change states. Digital computers, from hardware and software, to networks and more vague notions of intelligence all operate on pieces of rocks and metals.