Digital signal transmission refers to the process of sending information in the form of discrete signals, typically represented as binary code (0s and 1s). This method is widely used in various communication systems, including telecommunications, computers, and internet networks, as it allows for efficient and reliable data transfer over long distances. In digital signal transmission, the information is encoded into a digital format, which can be easily processed and transmitted through various mediums, such as copper wires, fiber optics, or wireless channels. This technique minimizes interference and distortion, ensuring that the received signal closely matches the original data, making it ideal for modern communication technologies.