The Internet has entered our everyday lives. Everyone knows that the Internet is a global computer network that connects hundreds of millions of users worldwide and helps us to communicate with each other. History of the Internet started in the United States in 1969. It was a military experiment designed to help survive a nuclear war, when everything can be contaminated by radiation dangerous to go out, to deliver any information. Information sent over the Internet, goes from one computer to another through the shortest and safest routes available. Thanks to this two computers on the network can communicate with each other until there is at least one route between them. This technology was called packet switching.
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