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First question: what if data was sent without any rules? 🤔 Imagine you’re sending a long message to your friend using many small chits of paper. But: some chits get lost some arrive late some arrive in wrong order some arrive twice Your friend...

DNS: The Internet’s Phonebook 📖 Imagine if, to call someone, you had to remember their phone number instead of their name.Life would be painful. The internet works the same way. Humans prefer names → google.com Computers understand numbers → 142.2...

What happens after I type a URL and press Enter? You open your browser.You type a URL.You press Enter. And within seconds, a fully designed, interactive website appears on your screen. Most of us stop thinking right there. But behind that single acti...

Before we proceeding to this blog let’s first understand :- What is Computer Network ? A computer network is a system of interconnected devices, such as computers, servers, smartphones, and printers, that communicate to each other for exchanging the...

How TCP Makes the Internet Trustworthy: 3‑Way Handshake Explained When you send a WhatsApp message, you almost never think: “Will this message reach or not?” You just trust that it will. Behind that trust, there is a protocol quietly working for yo...

Ever wonder how you type something like google.com and, poof, the site just shows up? It feels instant, but under the hood, there’s a wild system at play — with addresses, nicknames, and invisible maps. To make it fun (and way less boring), let’s und...
