What is a protocol?

3.1.3 Networks >>> What is a protocol >>> How Computers Work



Yes, Internet Protocol and HTTP are both examples of protocols.


Yes, routers are the main links of the internet; they allow computers to communicate across long distances. You might have a router in your home or office that connects your network to the wider internet.


I will learn from this course

We will consider this question later in this lesson.


Yes, it is a “Uniform Resource Locator” which is used to locate a site on the internet.


Yes, the message goes first from your computer to your email server, which forwards it on.

Yes, the message starts when you write it on your computer or other device.

Yes, the message finally arrives at your friend’s mail server, waiting for your friend to download it.

Yes, all internet traffic goes through routers.