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The file that you are sending does not travel to your friends computer directly, or even in a single continuous stream. The file you are sending gets broken up into separate data packets. The Internet Protocol side of TCP/IP labels each packet with the unique Internet address, or IP address of your friends' computer. Since these packets will travel separate routes, some arriving sooner than others, the Transmission control Protocol side of TCP/IP assigns a sequence number to each of packets. These sequence number will tell the TCP/IP in your friends computer how to reassemble the packets once he receives them, Amazingly, the complicated process of TCP/IP takes place in a matter of milliseconds.
The packets are then sent from on "router" to the next. Each router reads the IP address of the packet and decides which path will be the fastest. Since the traffic on these path in constantly changing each packet may be sent a different way.
Internet experience all you really need is either the Netscape Navigator or Microsoft's Internet Explorer, In addition to displaying Web pages they also include options for email . They can also serve as newsreaders.
