NAND


noun
A logical operator that consists of a logical AND followed by a logical NOT and returns a false value only if both operands are true.
Origin of NAND
N(OT) ANDnand - Computer Definition

(1) See NAND flash.
(2) (Not AND) A Boolean logic operation that is true if any single input is false. Two-input NAND gates are often used as the sole logic element on gate array chips, because all Boolean operations can be created from NAND gates. See flash memory.