Mark Kyrnin Follow LinkedIn Writer Education University of California, Berkeley Expertise Computer Networking Network Technologies Internet Connections Computer Hardware Introduction Computer networking engineer.Trainer of personnel in network technologies.Troubleshooter for internet connection problems.Writer of technology books. Experience Mark Kyrnin is a former writer for Lifewire, where he wrote extensively on computer hardware for more than 13 years. Kyrnin began building personal computers from parts in high school. His first system was an IBM compatible 286 processor with 4 megabytes of RAM, a 5 1/4-inch floppy drive, VGA card and 16-color grayscale VGA monitor. Now he's a network engineer who assists in training personnel in various network technologies. Education Kyrnin graduated from the University of California, Berkeley with a Bachelor of Arts in Economics. He holds certifications in:CompTIA A+ CCNA Lifewire and Dotdash Meredith Lifewire, a Dotdash Meredith brand, is a Top 10 technology information website, as rated by Comscore, a leading internet measurement company. We provide trusted, clear, and actionable answers to your most pressing technology questions vetted by certified experts, as well as trustworthy product recommendations so you can make the most informed purchasing decisions. Learn more about us and our editorial process.