the circuitry in a computer or mobile device represents the on or the off states electronically by the presence or absence of an electronic charge
computers can operate in only two states: on and off. - the on state is represented by one (1). - the off state is represented by zero (0).
The Tuesday Supreme Court announcement stems from an appeal involving Michael Newdow , a California atheist whose 9-year-old daughter , like most elementary schoolchildren , hears the pledge recited daily .