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The Browser is a program that is capable of going to the computer or server where the web page is hosted and extracting the information that is on internet servers written in HTML language (web files), to receive it on our computer, interpret it and be able to visualize it. .

In short, what it does is fetch the file from the web to the server, download the file written in HTML (web source code), and interpret it so that the user does not need to know HTML and can see it.

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The mission of TCP is to divide data into packets.

During this process, it provides each of them with a header that contains various information, such as the order in which they should be joined later. The TCP protocol has the mission of placing each of the packets that are going to be sent in a kind of IP envelope, that contains data such as the address where they should be sent.

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The Domain Name System (DNS) is the telephone directory of the Internet. People access information online through domain names. Web browsers interact using Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so that browsers can load Internet resources.

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What the IP does is assign a unique number to our computer within the network so that when our computer connects to the network it is identified.
There cannot be another computer within the network with the same IP.

The IP is like the name, surname and address of our computer within the network.

These IP numbers are called "IP addresses".

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The Internet is a large network of computers worldwide, which can exchange information with each other.

They can communicate because they are linked through telephone connections, cable, waves or other types of technology and thanks to the fact that they use a common language or protocol, TCP/IP, which are standards that tell us how data has to travel through network.