Charles Sanders Peirce (munenge muna 1880<unk>81) akaratidza kuti magedhi eNOR oga (kana kuti magedhi eNAND oga) anogona kushandiswa kudzokorora mabasa emamwe magedhi ese, asi basa rake pairi harina kubudiswa kusvika muna 1933. Chiratidzo chekutanga chakaburitswa chaive chaHenry M. Sheffer muna 1913, saka mashandiro eNAND epfungwa dzimwe nguva anonzi Sheffer stroke; iyo NOR inonzwisisika dzimwe nguva inonzi museve waPeirce. Naizvozvo, magedhi aya dzimwe nguva anonzi magedhi epfungwa epasirese. Mubvunzo: Ndeipi zita repamutemo remagedhi aya?
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