Inside the HP Nanoprocessor: A High-speed Processor That Can’t Even Add

Inside the HP Nanoprocessor: A High-speed Processor That Can’t Even Add
by Ken Shirriff on 09-06-2020 at 10:00 am

Inside the HP Nanoprocessor

The Nanoprocessor is a mostly-forgotten processor developed by Hewlett-Packard in 19741 as a microcontroller2 for their products. Strangely, this processor couldn’t even add or subtract,3 probably why it was called a nanoprocessor and not a microprocessor. Despite this limitation, the Nanoprocessor powered numerous… Read More