Understanding TCP/IP Applications and Network Naming

The internet works because of a system called TCP/IP. It stands for Transmission Control Protocol and Internet Protocol. These are rules that help computers talk to each other. TCP helps send data correctly. It breaks big data into small packets and makes sure they arrive in the right order. IP gives each computer an address, like a home address, so data knows where to go. Many apps use TCP/IP. For example, web browsers use HTTP, email uses SMTP, and file sharing uses FTP. These apps help us browse websites, send emails, and download files.

Network naming is also important. Instead of typing a long IP address (like 192.168.1.1), we use names like google.com. This is easier to remember. The system that changes names to IP addresses is called DNS, which means Domain Name System. When you type a web address, DNS finds the correct IP address. Then, your computer connects to the website.

So, TCP/IP and DNS work together. TCP/IP moves the data, and DNS makes sure it goes to the right place. Without them, the internet would not work.

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