What allows computers to communicate with each other?

Answer by  BrokenWits (382)

Computers communicate through a network(s). They send pieces of information across the network that are called packets. These packets contain information that will tell the computer(s) what to do, like display a webpage, or get your e-mail.

Answer by  diva25 (4016)

The big one is the network that you run your wireless off of. That is called an internetwork communication. There is also the internet that works much like phone lines.

Answer by  Bo99 (392)

This is very simple,computers do it sharing a network such as Internet for world wide of Intranet for a local network.

Answer by  bash (1026)

If there is internet connection in both the computers, it allows to communicate each other. You can send e-mail, pictures etc to other computers having internet connection. It can be used as a low cost phone. If both have web cameras, both can talk each other seing their faces each other.