Computer Fundamentals – Master the Basics. Understand the Technology Behind Every Computer.

💾 Why Your Computer Becomes Slow Even When Plenty of Storage Is Available

admin September 20, 2026

Free disk space is only one piece of performance. Learn what CPU, RAM, background apps, heat, drives, and Wi-Fi can reveal about a sluggish computer. ⚙️🧠💻

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🚀 How Startup Programs Affect Windows Boot Time and System Performance

admin September 20, 2026

Startup apps can crowd your CPU, RAM, storage, and network just after sign-in. Learn what to keep, what to delay, and how to test changes safely. ⚙️⏱️🛡️

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🖥️ What Happens Inside a Computer When You Start an Application?

admin September 18, 2026

From your first click to a working window, discover how storage, RAM, the CPU, the operating system, and security checks coordinate an app launch. ⚙️🧠🚀

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🛠️ 5 Common Causes of a Slow-Starting Windows Computer

admin September 18, 2026

A slow Windows startup often has a fixable cause—from crowded startup apps to storage, drivers, or unwanted software. Learn what to check first and what to leave alone. 💻⚡🔍

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⚖️ HDD vs. SSD vs. External Drive: Which Storage Should You Buy?

admin September 18, 2026

HDD, SSD, and external drive labels can be confusing. Learn what each option does best, what to check before buying, and how to keep important files safe. 🧳🔐💻

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🔐 Why Multi-Factor Authentication Stops Stolen Passwords From Being Enough

admin September 17, 2026

A password can be copied, guessed, or phished—but MFA adds another barrier. Learn which sign-in methods resist common attacks best and what to do with surprise prompts. 🛡️📱🔑

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🗜️ How File Compression Makes Documents and Images Smaller

admin September 17, 2026

Learn how computers spot patterns, why JPEGs behave differently from documents, and when smaller files can mean lower quality. Share smarter and protect originals. 📁🖼️⚙️

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🧭 How GPS Apps Calculate the Fastest Route to Your Destination

admin September 16, 2026

Your map app does far more than follow a blue dot. Discover how satellites, digital road graphs, traffic predictions, and smart algorithms choose—and change—your route. 🛰️🚗🗺️

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🛡️ How Firewalls Decide Which Network Traffic to Block

admin September 16, 2026

See how firewalls read packets, track connections, inspect apps, and apply rules to stop unwanted traffic—without blocking the work people need to do. 🔍🌐🛡️

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💻 How a Computer Decides Which Data Stays in Fast Cache Memory

admin August 27, 2026

Modern processors can perform billions of operations every second, but they face a fundamental problem:…