Arithmetic logic unit (ALU) is an important part of microprocessor. In digital processor logical and arithmetic operation executes using ALU. In this paper we describes 8-bit ALU using low power ...

A childhood construction toy has been transformed into a working 8-bit mechanical computer that can perform real math.

Mechanical computers may not oversee today’s automated tasks, but it’s still possible to build your own using literal children’s toys. That said, one YouTuber’s ongoing DIY mechanical computer project ...

Long before electricity was a common household utility, humanity had been building machines to do many tasks that we’d now just strap a motor or set of batteries onto and think nothing of ...