How Your Computer Actually Works — From CPU to Pixels | Full Explained Documentary

How Your Computer Actually Works — From CPU to Pixels | Full Explained Documentary

💻 You use it every single day. But do you ACTUALLY know what happens inside your computer?

This cinematic documentary takes you on a complete journey INSIDE your computer — from the moment you press the power button to the pixel appearing on your screen. Every component. Every process. Every hidden miracle happening billions of times per second — finally explained in a way ANYONE can understand.

🔬 IN THIS VIDEO YOU WILL LEARN:

⚡ How computers speak in BINARY — ones and zeros — on and off
🔲 What TRANSISTORS are — 10 billion tiny switches on a chip smaller than a stamp
🧠 How the CPU works — Fetch, Decode, Execute — 5 billion times per second
⚡ What CLOCK SPEED really means — the heartbeat of your computer
🧮 How CPU CORES work — multiple brains working in parallel
📋 What CACHE MEMORY is — L1, L2, L3 — and why it makes your computer fast
💾 How RAM stores data — and why it disappears when you turn off power
🔌 What the DATA BUS is — the highway system carrying information
💿 How HARD DRIVES store data magnetically on spinning disks
⚡ How SSDs store data in trapped electrons — 100x faster than HDDs
📁 How FILE SYSTEMS organize billions of ones and zeros into folders and files
🔄 What happens when you BOOT UP — from power button to desktop
🖥️ What the OPERATING SYSTEM actually does — the invisible manager
🖱️ What happens when you CLICK to open a program
🎮 How the GPU renders graphics with THOUSANDS of parallel cores
🔴🟢🔵 How PIXELS work — RGB sub-pixels creating 16.7 million colors
📺 How DISPLAYS create light — LCD vs OLED technology
🎞️ What REFRESH RATE means — 60Hz vs 144Hz vs 240Hz
⌨️ What happens when you press a KEY — from switch to screen in 10ms
🌐 How data travels across the INTERNET — through undersea cables at light speed
❄️ How COOLING prevents your CPU from destroying itself
🔋 How the POWER SUPPLY converts dangerous AC to safe DC
🔥 What happens in ONE SECOND inside your computer — everything at once