Data communication

Data transmission is, very generally speaking, the concious act moving of any kind of information from one space to another. Historically this could be done by courier, a chain of bonfires, semaphores and later by morse code over copper wires.

In recent computer terms, it means sending a stream of bytes from one location to another using any number of technologies to do so. Among them are copper wire, optical fibre, radio-link, laser, radio or infra-red light.

A related concept to data transmission is the data transmission protocol used to make the data transfer legible. Current protocols favour packet based communication.

See also

• Computer network
• Network protocol
• telecommunication