Logical NOR Gate

NOR (NOT-OR) logic gate. Output 1 only if both inputs are 0. Truth table: 0,0→1 | 0,1→0 | 1,0→0 | 1,1→0. Used in digital circuits.

Formula

NOR = NOT(A OR B) = !(A | B)

A=0, B=0

Inputs
  • Input A: 0
  • Input B: 0

Output = 1

Frequently asked questions

When used?
Digital circuits, microprocessors