A NOT logic gate flips the logic signal from 1 to 0 or 0 to 1 :)

Logic 0 and logic 1 are the two states in digital (or binary) logic. A binary numbering system has but two numbers: 0 and 1. In contrast, we use a decimal system with 10 numbers: 0 to 9.

The area of algebra that addresses binary (2-state) logic is called Boolean.

In Boolean a logic 0 may be refered to as 'low', 'off' or 'false'; a logic 1 as 'high', 'on' or 'true'.

Boolean logic is the foundation of digital electronics.

Outdoor Logic - 2012 1-1 was released on:

USA: 5 January 2013

xor logic

because

A B output

0 0 0

0 1 1

1 0 1

1 1 1

SouthTrek - 2007 Logic Has Nothing to Do with It 1-1 was released on:

USA: 24 March 2007