On Sunday, June 12, 2022 at 5:57:42 AM UTC-6, rolandl...@gmail.com
> you are correct, our Q1 is Z80-based and dated around 1979. And yes, Q1 Corp was one of the first companies to build microprocessor-based desptops, starting with 8008, going to 8080 and finally Z80.
I found the new products announcement, in the February 1973 issue of Datamation. Apparently
their first delivery was in December 1972, according to Old-computers.com. Their typewriter-like
unit, with a single-line display, was oriented to things like order entry, not general-purpose
computing, but it is claimed to be the first self-contained microcomputer.