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John McNae

👋 Hi! I’m John McNae. I’m a passionate IT professional with a deep curiosity about how technology shapes our world. With years of hands-on experience in hardware, software, and networking, I love turning complex technical concepts into clear, practical knowledge. Driven by a constant desire to learn and share, I created this space to collect and organize valuable insights about information technology — from essential definitions to detailed how-to guides. My goal is simple: to make tech understanding accessible to everyone, whether you’re an experienced professional or just beginning your digital journey.
405 Articles

What is a Domain Name and How is it Structured? – A Guide for Beginners and Advanced Users

A domain name is a human-readable address for websites, mapped to IPs.…

Phase-Locked Loop (PLL): Secrets of Electronic Circuit Operation and Practical Applications

Discover how Phase-Locked Loops (PLLs) synchronize signals, stabilize frequencies, and enable communication,…

Understanding FFIEC Compliance: The Purpose and Standards of Online Banking

FFIEC guidance helps banks secure online banking by setting standards for authentication,…

Chat Room: Functionality and Definition of Online Platforms

Explore chat rooms and online platforms: their definitions, core functions—real-time messaging, user…

The Structure and Operation of the Unified Computing System (UCS): A Detailed Guide

Explore the architecture and workflows of Cisco's Unified Computing System (UCS): integrated…

Explanation of the Sarbanes-Oxley Act: Section 404 and Financial Controls

Section 404 of Sarbanes-Oxley requires management to assess internal financial controls and…

3D XPoint: The Future of Memory Storage Technology and Its Applications

3D XPoint bridges the gap between DRAM and NAND with ultra-low latency,…

Non-Uniform Memory Access (NUMA): Architecture Functionality and Significance

NUMA (Non-Uniform Memory Access) divides memory into processor-local nodes, boosting performance and…

VSAM: The Role and Significance of the Virtual Storage Access Method in Data Management

VSAM (Virtual Storage Access Method) is IBM mainframe file access software that…

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