Network Hardware & Interfaces — The Physical Layer Still Matters There’s a tendency in modern IT to skip past the physical layer. Cloud, software-defined networking, and virtualization have made it easy to abstract away the hardware. But the physical layer is still where most connectivity problems originate — and where a solid foundation separates reliable infrastructure from constant firefighting. ...
The Complete Guide to Computer Storage: From the Basics to the Bleeding Edge A comprehensive reference covering storage types, file systems, partitioning, RAID, emerging technologies, troubleshooting, and data recovery. Table of Contents Storage Facts & History Types of Storage Media File Systems Drive Partitioning RAID: Redundant Array of Independent Disks Emerging Storage Technologies Troubleshooting Hard Drives Data Recovery References & Sources Storage Facts & History Storage technology is one of the most rapidly evolving fields in computing. To appreciate where we are today, it helps to understand how far we’ve come. ...
Published March 2026 | An overview of computing history from the 19th century to the present day Introduction Few technologies have shaped the modern world as profoundly as the computer. What began as electromechanical tabulating machines in the late 1800s has evolved into systems capable of performing over a quintillion calculations per second. This post traces that remarkable journey — from Herman Hollerith’s punch card machine to today’s exascale supercomputers — drawing on key milestones, pivotal inventions, and the visionary engineers who made it all possible. ...