tejThoughts

Memories in Computers: How Your Machine Actually “Remembers” Things As someone who spends a lot of time using computers, I’ve always been fascinated by one simple question: How does a computer actually remember stuff?  I mean, our laptops seem to remember everything — from half-written Word documents to those photos we swore we deleted ages ago. But what’s really happening behind the scenes when we save, open, or delete something? Let’s dig into this mysterious world of computer memory. (without getting too technical) 1. The Grand Storage Mystery Let’s start with what we all know. When we save something, we usually say things like: “I saved it in my C drive.” “My D drive is full of movies.” That sounds simple enough — but what’s really going on underneath? Inside your computer, you have storage devices that hold all your data. These are usually either Hard Disk Drives (HDDs) or Solid State Drives (SSDs). Hard Disk Drives (HDDs) These are the older type of storage de...

  Hello there, Let’s talk about something we’ve all seen and used — Airplane Mode . That one setting on your phone that turns into a hero the moment you hear, “Please switch your mobile phones to airplane mode.” But have you ever paused and wondered… “Wait. What does this thing even do? Can my phone really mess up a giant flying metal bird?” Let’s break it down. In the most non-boring way possible.     🚨 What is Airplane Mode? When you turn on Airplane Mode , your phone basically goes into “silent monk” mode: • 📶 No cellular network • 📡 No mobile data • 📳 No Bluetooth (unless you turn it back on) • 📶 No WiFi (again, unless you manually turn it on) • 🔕 No notifications (bliss!) It’s like your phone puts on noise-canceling headphones.   🛫 Why Airlines Care So Much The official reason is: 📡 Cellular signals can interfere with the plane’s communication systems. Now, will your single phon...

Hello, fellow curious minds! Ever wondered how the internet actually works? I mean, you type something in Google, hit Enter, and boom — the answer appears faster than your mom asking, “Who ate the last cookie?” But what happens behind the scenes? Is it magic? A group of highly trained pigeons delivering your data? Nope. Let’s break it down in a way that even your WiFi-hating grandma would understand. 1. The Internet: A Giant Web of Wires (Yes, Literally!) Most people think the internet is somewhere in the air . Nope. It’s actually a giant mess of wires running across the world. 🧐 So how does your Instagram meme reach you? • Your phone or computer sends a request through your WiFi. • That request travels through underground fiber optic cables (or WiFi towers). • If it’s going far, the request jumps across the ocean via undersea cables — yep, the internet swims to you! • Finally, it reaches a big computer (server) somewhere in the world, wh...