Feb 1 · 4 min read · 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...
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Jan 30 · 4 min read · 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...
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Jan 30 · 5 min read · 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...
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Jan 30 · 11 min read · 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...
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Jan 26 · 4 min read · 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...
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Jan 26 · 6 min read · When you open YouTube, watch a live match, or check your bank balance, all of that is just data moving across the internet. But that data doesn’t move randomly. It follows some rules, called protocols, that decide how information is sent and received...
Join discussionJan 20 · 8 min read · Introduction: A Question We Never Really Think About Every day, we type website names like: google.com masterji.co chaicode.com youtube.com amazon.in We press Enter, and the website opens. But let’s stop for a second and ask a very basic quest...
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Sep 29, 2025 · 4 min read · NOTE: This is a high-level introduction, not a deep dive. It omits important information that falls outside the scope of this article, but I have included it in the “Further Reading” section of the article. Feel free to make suggestions or correct an...
Join discussionJun 18, 2025 · 2 min read · 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...
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Apr 7, 2025 · 9 min read · JavaScript has come a long way since its early days. Remember when we had to use var for everything and concatenate strings with + signs? Shudders. If you're still writing JavaScript like it's 2014, you're not just missing out on some syntactic sugar...
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