Storing Text
Information is often stored by charge or magnetic field
Its presence or absence can be detected, leading to a natural association with 1 and 0 to charged/neutral states (alternatively, plus-charged / not plus charged)
Text is stored as a sequence of keyboard characters
Schematic diagram of magnetic spots, say on a disk
0 1 1 0 1 0 0 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 1 1