> For the complete documentation index, see [llms.txt](https://www.theprogrammershandbook.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.theprogrammershandbook.com/computer-organization/finite-state-machines-and-cpus.md).

# Finite State Machines and CPUs