internet is a global network of computers including both large industrial - strenght servers and the personal computers in homes and busnesses,all chaind together (with network cables or phone lines) and wich all speak common language Ex: web com's servers,the computers at your internet service provider (ISP),servers at university campuses, and your personal computer. when you are connected to the internet. Because there is a common language (refferd as a "protocol") among all these computers, information and files can be transmitted between them, and they understand one another.
For instance,when you send an email massege from your account at your ISP, the massege does not go directly from one machine to another ( this would require that every computer on the internet be physically connected to every other computer, which would be impossible to setup) but rather it hopes from machine to machine along the chain. each machine look at the destination address in the massage, which must be written in accordance with the atandard protocol, and happens many times before the right direction, this happens many times before the massage finally reaches its destination.
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