The TRS-80 Model 100 was an early laptop computer manufactured by Kyocera in Japan and marketed in North America by Radio Shack. Kyocera’s own version, the Kyotronic-85, didn’t set any sales records. But the TRS-80 Model 100 and the line it spawned proved widely successful in the United States.

David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.










