Digital devices hold information in the patterns of switches. These switches are either on or off (usually represented as one and zero) with nothing in between--much as the information in Morse code comes in either dots or dashes.

• 数字装置以各种开关模式保存信息。这些开关或开或关(通常表示为1和0)，再无别的样式。这与莫尔斯电码用点或划表达信息十分相似。