How does information get from the home or desktop to the Internet?
The simplest way is that a single Telecomputer or Internet Terminal would connect via Plain Old Telephone Service to Point-Of-Presence (POPs) centers owned by various Internet Service Providers (ISPs).
For most homes and small businesses, a more likely scenario is to have a communication server in the home capable of IP dial-tone that supplies service to its local telecomputers and PCs. Such a server could connect directly to Internet via some ISP.
For larger organizations, with LANs and WANs that have their own Intranets, Telecomputers would be served centrally or via deparmental servers.