• How Does My Router Know the IP Address of Every Website I Visit?

    Every time you open a website—whether it’s Instagram, Google, or a random blog—your device somehow figures out where that website lives on the internet. But websites use names like google.com or instagram.com, and your router only understands IP addresses, which are numbers like 142.250.190.78. So how does this translation happen? And who actually knows what…

  • How Does a Web Server Handle So Many Users at Once?

    If you’ve ever wondered how a website like Instagram, YouTube, or Amazon can serve millions of users at the same time, the answer lies in how web servers are designed to handle many requests at once, without freezing or crashing. And behind all this magic are also things like IP addresses and NAT, which help…

  • How Do Developers Build Websites Without Starting from Scratch?

    When you look at a full website, it can feel overwhelming. Buttons, animations, forms, databases, logins, servers—there are so many moving parts. But here’s the good news: developers don’t build everything from scratch. In fact, most modern websites are built by combining ready-made building blocks called libraries, packages, and frameworks. What Are Libraries and Packages?…

  • How Do Websites Handle So Many Pages and Buttons?

    If you’ve ever used a website like Instagram, YouTube, or an online shop, you’ve probably clicked on buttons that take you to different pages—like a user profile, a settings page, or a product page. It might seem like a huge mess behind the scenes, but actually, developers use smart systems to keep it organized and…

  • How a Website Like Instagram Connects Front End, Backend, and Database

    1. Starting Point: The User Opens the App When a user opens the Instagram app or website, they are interacting with the front end. This is everything the user can see—buttons, images, text boxes, and animations. It’s built using web technologies like HTML (structure), CSS (style), and JavaScript (behavior). At this point, the app hasn’t…

  • What Is a Web Browser and What Does It Do?

    A web browser is a software application that lets you access and interact with websites. It’s your window to the internet. 🧠 Analogy Think of a browser like a TV screen: The website is the channel you’re watching. The browser tunes in to that channel and shows you the content. You can click buttons, type…

  • My Ongoing Journey into Computers and Programming

    My Ongoing Journey into Computers and Programming

    A recollection of how I started. The exact timeline may not be accurate. My journey into the world of computers and programming didn’t begin with a course or a teacher—it started with curiosity. I wondered how computers worked, how they communicated, how sound and graphics were presented, how they calculated, and how something so compact…