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I think the NSC SCMP (National Semi Conductors Micro Processor) was the first reasonably successful micro processor chip released circa 1975. There were a number of published circuits in electronics magazines around 1976-77 that used it. However Motorola was not far behind and then came the very successful Z80. I think about 1979, someone may like to research it.
Prior to the micro processor there were some "computer kits" using TTL etc components that used teleprinters for terminals. A friend of mine had one in 1974 that played startrek. Did anyone else have one? I was not very interested in computers then. Preferred building my colour TV transmitters and other elctronic stuff as a radio ham. I could transmit colour TV 18 months before the official operation colour TV.
Barry
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