Brent Hilpert wrote: ..no need to consider it off-topic, a lot of the photos in there are of old chips, including an 8080 and 1802. One of the links on that page, http://www.cacs.louisiana.edu/~mgr/404/burks/pcinfo/hardware/cpu.htm, presents an interesting overview of microprocs from 70/80/90's, both well-known and lesser-known ones, far more than just a timeline.