List of single-board computers One of the first 10 MMD-1s, a prototype unit, produced by E&L Instruments in 1976. The "dyna-micro"/"MMD-1" was the world's first true single board computer. The MMD-1 had all components on a single printed circuit board, including memory, I/O, user input device, and a display. Nothing external to the single board except power was required to both program and run the MMD-1. The original design of the MMD-1 was called the "dyna-micro", but it was soon re-branded as the "MMD-1" List of single-board computers – computers built on a single circuit board, with microprocessor(s), memory, input/output (I/O) and other features required of a functional computer.
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