There are certain problems we all deal with every day, but don’t know why. Why do I need to keep resetting my router? Do I have a virus? What happens when a site I use gets “hacked?” Whether you’re the tech-savvy friend that’s always answering these questions or the friend doing the asking, here are the answers to the most common conundrums.

10. How Do I Keep My Laptop’s Battery In Good Health?
9. What do Viruses, Trojans, and Other Malware Actually Do?
8. What’s Wrong with Using Public Wi-Fi?
7. Do I Really Need to “Eject” USB Drives?
6. How Can I Tell if an Email Is Spam?
5. Why Are Cables So Gosh Darn Expensive?
4. What Happens When a Site I Use Gets “Hacked?”
3. Why Do I Need to Keep Resetting My Router?
2. Will I Get Caught If I Download a Movie on BitTorrent?
1. Do I Really Need to Care About My Privacy Online?

Read: 10 Common Tech Questions (and Their High Tech Explanations) | LifeHacker