[1]8718353493434500579Setting a [2][ #bit ] *in [3][ #memory ]
  *- Core Memory - it's setting the [4][ #magnetic ] *
  [5][ #spin ] *- 0 or 1 is true or false is positive or negative
  is left or right spin.

References

  Visible links
  1. http://icopiedyou.com/wp-content/uploads/2015/10/8718353493434500579.gif