RAM instructions were 1 or 2 x 8bit, need 8 clock cycles per instr word support chips 4001/2 RAM/ROM with built in IO and 4003 expander then sold as single chip process controllers (November 1971) one large use of 4004 being traffic light controllers, [Levy] p189 exa Intel 8008, developed 1970, for terminal (CTC/Datapoint), sold from 1972 4004 ...
People with patience put up with people they'd rather put down.
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