Before revision: Progress of miniaturisation, and comparison of sizes of semiconductor manufacturing process nodes with some microscopic objects and visible light wavelengths 1970s The first microprocessors were designed and manufactured in the 1970s .
After revision: chips that could be consideredlate 1960s and early, including the MP944 used in the F-14 Central Air Data ComputerProgress of miniaturisation, and comparison of sizes of semiconductor manufacturing process nodes with some microscopic objects and visible light wavelengths 1970s The first microprocessors were designed and manufactured in the 1970s .