 It became the basic building block of the information revolution and the information age, and laid the foundation for power electronic technology that later enabled the development of wireless Internet technology.Network bandwidth has been doubling every 18 months since the 1970s, which found expression in Edholm's law, similar to the scaling expressed by Moore's law for semiconductors.With limited exceptions, the earliest computers were connected directly to terminals used by individual users, typically in the same building or site.