How Does the Internet Find Addresses Without GPS?

Imagine you want to send a letter. You do not need GPS; you just write the street name, city, and zip code on the envelope. The internet does something very similar when you type a website into your browser.

When you visit www. google. com, your computer asks a special librarian called DNS for help. This librarian keeps a giant phone book of the entire web. It looks up the website name and finds its matching number, which is like a house address. Once it has that number, it sends the information to the right place.

This happens in a blink! The internet uses layers of these phone books. If one librarian does not know the answer, they ask another until they find the correct digital location. You do not need satellites to guide you because the internet builds its own map using names and numbers that everyone agrees on.

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Examples

  1. A child writes their name on a package instead of GPS coordinates.
  2. A librarian finds a book by looking at its title card first.
  3. A delivery driver uses street names instead of satellite maps.

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