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.

The World's First Color Portable: SX-64

SX-64
Strangely enough, the world's first color portable computer came from Commodore. The SX-64 was a luggable 23 lb version of their smash-hit Commodore 64 desktop. Sadly, the SX-64 didn't fair well in the marketplace, probably because Commodore was better known in gaming circles than in the boardroom. And who wants to play games on a tiny 5" diagonal screen?

The SX-64 shared many specifications with the Commodore 64: A MOS 6510 processor running at a blazing 1MHz, 3 channel SID chip sound, 64K memory, and an internal 170K 5 1/4" floppy drive. It listed for $995 when introduced in at the Winter Consumer Electronics Show in January, 1984. At that same show, Commodore announced they had sold over $1B worth of personal computers in 1983 -- becoming the first company to break the billion dollar barrier in the home PC market.

Commodore SX-64 Portable Computer (oldcomputers.net)

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