Few people have heard of it, yet many consider John Blankenbaker's KENBAK-1 to be the first commercial personal computer.

Koss introduced these headphones over 40 years ago, and they remain affordable favorites to this day.

Texas Instruments CC-40 - A Flawed Gem

Ticc40 I’ve always had a soft spot for tiny computers and the TI Compact Computer 40 was a gem – it demonstrated the advantage of blending TI’s home computer and pocket calculator expertise. Unfortunately, it offered no external program storage, since it was intended to work with a miniscule wafertape drive which turned out to be too unreliable for real-world use.

CC-40 was built around a single-line 31-character LCD display, and included a version of TI BASIC that was largely compatible with the 99/4A. The base configuration offered 6K memory, but it could be expanded to 18K.

I suspect this system could have made a huge in the engineering and scientific markets. It was small enough to carry around, and powerful enough to run specialized programs.

A brief Compact Computer 40 writeup (99er.net)

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