E-tech Academy

Best way to autofit cells in Microsoft Excel (Video) To autofit a cell in Excel , which means automatically adjusting the row height or column width to fit the content, here’s how you can do it: Autofit a Column (Width) Option 1: Using the Ribbon Select the column(s) you want to autofit (e.g., click on column letter A ). Go to the Home tab. In the Cells group, click on Format . Choose AutoFit Column Width . Option 2: Using a Double Click Move your mouse to the right edge of the column header (e.g., between A and B ). When the cursor turns into a double arrow ⇔ , double-click . Autofit a Row (Height) Option 1: Using the Ribbon Select the row(s) you want to autofit. Go to the Home tab. Click Format in the Cells group. Choose AutoFit Row Height . Option 2: Using a Double Click Move your mouse to the bottom edge of the row number. When the cursor changes to a double arrow, double-click . Autofit Multiple Rows/Columns at Once Se...

How Digital Twins Are Transforming Industries Imagine having a virtual copy of a factory, a car, or even your own body—an exact digital replica that updates in real time. You could test scenarios, predict problems, and optimize performance without ever touching the real thing. Sounds like science fiction? That’s exactly what digital twins make possible. Once confined to aerospace and high-end engineering, digital twins are now making their way into manufacturing, healthcare, urban planning, and beyond. But as with every new technology, they come with both opportunities and risks. In this article, we’ll explore: What digital twins are How they’re being applied in real-world industries The benefits and risks of adopting them 1. What Are Digital Twins? A digital twin is a virtual model of a physical object, process, or system . Unlike a simple 3D model, a digital twin is dynamic and connected —it constantly receives data from sensors, IoT devices, and other sources, e...

The Metaverse: Is It the Future or Just Hype? Every few years, the tech world serves up a shiny new buzzword. Right now, that word is metaverse . It’s been described as the “next internet,” a digital universe where we can work, play, shop, and socialize in 3D. Big companies like Meta (formerly Facebook), Microsoft, and Epic Games are betting billions on it. But the question remains: Is the metaverse truly our future, or is it just another passing hype? To answer that, let’s break it down—what the metaverse is, how it’s being used in gaming, business, and education, and what challenges and opportunities lie ahead. 1. What Exactly Is the Metaverse? The term metaverse comes from Neal Stephenson’s 1992 novel Snow Crash , where humans, through avatars, interact inside a massive digital world. Today, the concept is less science fiction and more tech ambition. At its core, the metaverse is: A persistent, shared 3D digital space where people interact using avatars. Powered by t...

The Evolution of Input & Output Devices: From Punch Cards to AI Assistants Introduction Every interaction we have with a computer—whether typing a document, asking Alexa about the weather, or playing a game—relies on input and output (I/O) devices . They are the unsung heroes of technology, quietly bridging the gap between human and machine. But these tools didn’t just appear overnight. Their journey spans from clunky punch cards in the 19th century to futuristic AI assistants that respond to our voices today. In this article, we’ll explore the history , the current landscape , and the future possibilities of input and output devices. Buckle up—this is a fascinating ride through time and tech. 1. The History of Input & Output Devices The story of I/O devices begins long before modern computers. Punch Cards – The First Input Revolution In the early 1800s, Joseph Marie Jacquard used punched cards to control textile looms. Later, in the late 19th century, Herman Holler...

Free Tools Every Teacher Should Know Teaching has always been a rewarding but challenging job. In today’s world, where digital learning is becoming the norm, teachers need tools that make life easier—for themselves and their students. The best part? You don’t need an expensive budget to get started. Some of the most powerful teaching tools out there are completely free . Whether you’re teaching in a physical classroom, online, or a hybrid setup, these free tools can help you save time, engage students, and simplify your workflow . Let’s explore the top free tools every teacher should know. 1. Google Classroom – Organize Everything in One Place Google Classroom is like a virtual home base for your teaching. Why it’s great : You can share assignments, collect homework, grade work, and communicate with students—all in one platform. Best features : Assignments with due dates Integration with Google Docs, Slides, and Drive Real-time feedback Best for : Teachers r...

How to Get Started with Online Teaching In the last few years, online teaching has exploded in popularity. What was once considered a backup plan is now a mainstream form of education . From schools moving classes online to professionals teaching digital skills, online learning has become an essential way to share knowledge. If you’ve ever thought, “I want to teach online, but I don’t know where to start,” this guide is for you. The good news? Getting started with online teaching doesn’t require a huge budget or advanced tech skills. With the right tools, mindset, and preparation, you can start teaching online—and even build a career out of it. Let’s break it down step by step. 1. Understand Why You Want to Teach Online Before diving into tools and platforms, ask yourself: Do you want to teach as a full-time career or a side hustle ? Are you teaching academic subjects , professional skills , or hobbies like cooking, art, or music? Do you want to work for an existin...

Top 15 Free Tools Every Programmer Should Know Programming is as much about writing code as it is about using the right tools. Just like a carpenter needs a solid set of tools to build furniture, programmers need reliable software to write, test, debug, and manage code efficiently. The good news? Many of the best tools are completely free . Whether you’re a beginner learning your first language or a seasoned developer building complex applications, having the right toolkit can save you time, boost productivity, and make coding far more enjoyable. In this article, we’ll explore 15 free tools every programmer should know , categorized into code editors , debuggers, version control tools, and more . 1. Code Editors – Your Digital Workspace A code editor is where your coding journey begins. It’s your digital notebook, but with superpowers like syntax highlighting, auto-completion, and integrated debugging. 1.1 Visual Studio Code (VS Code) Why it’s great : Lightweight, fast, and p...