NANDportti
NANDportti is a digital logic gate that implements the NAND (Not AND) boolean function. It is a fundamental component in digital electronics and is considered a universal gate, meaning any other logic gate (AND, OR, NOT, XOR, etc.) can be constructed using only NAND gates. The output of a NAND gate is false if and only if all of its inputs are true. Otherwise, the output is true. In boolean algebra, the NAND operation is represented by a dot with a superscript circle (⋅) or a tilde (¬) over the variables being ANDed. For example, the output Y of a two-input NAND gate with inputs A and B is expressed as Y = ¬(A ⋅ B). Physically, NAND gates are implemented using transistors. Their widespread use stems from their simplicity and the ease with which they can be manufactured, particularly in integrated circuits. The universality of NAND gates makes them a cornerstone of digital circuit design, allowing for the creation of complex logic functions from a single type of gate.