01How Computers Work (online)

Interactive circuit laboratory 10

Fibonacci machine

Advance register updates one step at a time and watch the sequence grow.

Prediction before clicking

A loop retains two past results and transforms them into the next state using addition.

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What the simulator is showing you

A loop retains two past results and transforms them into the next state using addition.

Try to predict the next output before changing the input. A prediction is evidence that you understand the mechanism. If the result surprises you, trace the bit values or the stored state explicitly.

Fibonacci state update, diagram of connected labeled components
Fibonacci state update. Follow the arrows to identify where information travels and what each block contributes.

Go deeper into the explanation

These experiments are simplified teaching models. The rules are intentional and inspectable, but they do not simulate transistor propagation delay, power consumption, or real processor pipeline details.