10 June 2025

10 June 2025

How Your Computer Works (No Tech Degree Required)

Contact us

If words like “CPU,” “RAM,” or “graphics card” leave you scratching your head, you’re not alone.  Here at Cranfield IT Solutions, I help hundreds of people cut through tech jargon every year. You don’t need a computer science degree to understand your devices. All you need is a relatable example and today, we’re going shopping!

Breakdown: How Your Computer Works (No Tech Degree Required)

Imagine your computer is a supermarket, and you’re the shopper. Each part of a computer has its own “store role.” Here’s the easiest way to understand what does what:

 

  • CPU: The Bossy Shopper 🛒 The CPU (Central Processing Unit) is like you in the supermarket, deciding what to buy and in what order. It makes the calls, processes decisions, and keeps everything ticking along behind the scenes. In tech terms, this is your computer’s brain.
  • RAM: The Shopping List 📝 RAM (Random Access Memory) is your to-do list. It keeps track of what you need during your shopping trip. Just like you throw out your list when you leave the store, RAM wipes itself clean when your computer shuts down.
  • Hard Drive/SSD: The Shopping Cart 🛒 Your cart holds everything you’ll eventually take home. That’s your hard drive or SSD, storing your files, apps, and photos until you’re ready to use them.
  • Motherboard: The Store Layout 🏬 A well-organized shop means you find what you need every time. The motherboard keeps everything in place and connected, so your tech journey isn’t a frustrating hunt down random aisles.
  • Power Supply: The Store’s Electricity 🔌 No electricity, no shopping! The power supply sends energy wherever it’s needed in your computer, keeping the lights—and everything else—on.
  • Graphics Card: The Aisle Displays 💡 Beautiful displays and easy-to-read signs in the store are just like a graphics card, making everything on your screen look sharp and inviting, whether you’re gaming or catching up on emails.
  • Cooling System: The Air Conditioning ❄️ Ever been in a stuffy store? Not pleasant. The cooling system keeps your computer from overheating, just like air conditioning keeps you shopping comfortably.
  • Input Devices: Your Hands & Feet 🤚👣 How do you grab groceries or push a trolley? Keyboards, mice, and touchscreens help you interact and “shop” on your computer.
  • Output Devices: The Checkout 🧾 Finished your shop? The cashier processes your basket and prints your receipt—just like the computer outputs info via your monitor or printer.

Still Not Sure? Cranfield IT Solutions Has Your Back!

You deserve to feel confident about your tech, from buying new gear to getting your old laptop running faster than ever. That’s why Cranfield IT Solutions guarantees:

  • Clear, straightforward advice—no confusing jargon.
  • Risk-free repairs: If it can’t be fixed, you don’t pay.
  • Upfront, transparent pricing—no nasty surprises.
  • Friendly, fast service. (Just check my reviews!)

Need help understanding your tech or want a jargon-free explanation before your next purchase? I’m here to make IT easy.

📞 Get in touch today for friendly advice or fast repairs! Your tech questions—answered, no stress.