Kalli nassin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassin: Passage: Charles Sanders Peirce (a lokacin 1880<unk>81) ya nuna cewa ƙofofin NOR kadai (ko kuma ƙofofin NAND kadai) za a iya amfani da su don sake yin amfani da ayyukan duk sauran ƙofofin dabaru, amma aikinsa a kai ba a buga shi ba har 1933. Henry M. Sheffer ne ya fara buga hujja a 1913, don haka ana kiran aikin NAND mai ma'ana a wasu lokuta bugun Sheffer; ana kiran NOR mai ma'ana a wasu lokuta kibiyar Peirce. Saboda haka, ana kiran waɗannan ƙofofi a wasu lokuta ƙofofi masu ma'ana na duniya. Tambaya: Menene sunan da ya fi dacewa ga waɗannan ƙofofi?
ƙofofin dabaru na duniya