Digital information is specific information, typically words and images, that is recorded in binary code. Binary code is the combination of the digits 0 and 1, also known as bits. Digital technology can refer to physical devices that store, send, or use digital information, such as personal phones, tablets, or CD players. Digital technology can also refer to any system or method that utilizes digital information; the branch of knowledge that deals with digital systems, methods, etc.; or to the practical application of this knowledge.