On the video channel from mkkiani you can see many World's First. This time he shows the Commodore KIM-1. The KIM-1 was released in 1976 and was the first single board computer that was commercially available. The KIM-1 has an 6502 CPU, 1 kByte RAM, ROM, Hexadecimal keyboard, LED display, 15 In / Outputs and a Cassette interface.
Another World's First: The first colour home computer, the VIC-20.