The concept of universal service, Computer Networking

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The major problems with multiple networks are as given:

A computer attached to a given server can only interact with other computers attached to the similar network.

In the 1970s large organizations start to acquire multiple networks. Every network in the organization formed island. Employees required to select a computer appropriate for each and every task. So they required multiple screens, computers and keyboards.

UNIVERSAL SERVICES:

A interaction system that supplies universal services allows arbitrary pairs of computers to interact. Universal service is required because it increases individual productivity.

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