Why do computers need to periodically check the DNS for websites you have already visited?

Interpreting what is DNS?

Domain Name System is abbreviated into DNS. In simple words, it is defined as a translating system that allows the user to search all over the internet with the language the user is comfortable with.

If the world existed without DNS, then it would be unrealistic for user to memorize the numbers or IP addresses of each website. Why do computers need to periodically check the DNS for websites you have already visited?, For example, the users would not be able to buy anything online, no way to stream audios or videos to smartphones, and no way to video chat.

Computers of the world communicate with each other with the help of numbers that they memorize that are called IP addresses. The IP address of each computer tells its location to other. The internet all around the world is composed of many computers.

Elaborating, why do computers need to periodically check the DNS for websites you have already visited?

Why do computers need to periodically check the DNS for websites you have already visited?, The computer stores the IP address for the domain name of the website that is visited regularly by the user. The computer will open up that web page instantly as it has that IP address for the domain name in its memory. If the website IP address is not found in the local memory of the computer, then it asks the outer internet whether it has the specific domain name or IP address in its memory or database.

This answers, why do computers need to periodically check the DNS for websites you have already visited? It means that the website the user recently visited might have changed its IP address or the URL as it changes over time. Because of this change, the user can be directed to a different website that they are not aware of.

Why do computers need to periodically check the DNS for websites you have already visited? Conclusion

Winding up the answer to the above inquiry, why do computers need to periodically check the DNS for websites you have already visited? The DNS servers are responsible for the conversion of alphabetical names into a number that is called IP address that the computer uses to reach each website.

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