communications, application of telecommunications technology to the problem of
transmitting data, especially to, from, or between computers.
popular usage, it is said that data communications make it possible for one
computer to "talk" with another. Telephone circuits are often used to
transfer data, although their relatively limited bandwidth makes them
relatively slow paths for data. Recent techniques, however, have made it
possible to send data over phone lines at rates of 28,800 bits per second and