noun
NAND operation; Negative AND operation
A logical operation in computing that outputs false only when all inputs are true; the negation of the AND operation.
否定論理積演算は、すべての入力が真のときだけ偽を返す。
The NAND operation returns false only when all inputs are true.
Compound of 否定 (negation), 論理積 (logical product, AND), and 演算 (operation).