To wit we present this lovely single-board computer sporting a 1-bit CPU ... it offers a great degree of design flexibility. [Simon] chose a 4-bit address space, but with a little wizardry ...

For example, a 64-bit computer uses 64-bit registers and can process 64 bits at one time. Theoretically, if the clock rates were the same (1 GHz, 2.5 GHz, etc.) and the basic architectures were ...