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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.
318 Articles

Multipath I/O (MPIO): Efficient Data Access and the Framework’s Role in IT Infrastructure

Multipath I/O (MPIO) optimizes storage access by routing I/O across multiple paths,…

Understanding and Predicting Technological Trends: The Gartner Hype Cycle

Explore the Gartner Hype Cycle: a framework that maps the maturity and…

The Role of the CAIQ Questionnaire in Assessing Cloud Service Providers’ Security: What You Need to Know

Learn how the CAIQ questionnaire helps evaluate cloud service providers' security controls,…

Explanation of Data Center Tier Standards: Details of the Uptime Institute’s Classification System

Uptime Institute's Tier system classifies data centers I–IV by infrastructure redundancy and…

How to Create a Strong Password: Tips and Guides for Security

Learn how to create strong, memorable passwords: use long phrases, mix upper-…

What is a Quad-Core Processor and How Does It Work? – Comprehensive Guide

A quad-core processor houses four independent CPU cores on a single chip,…

Multitasking in Operating Systems: Definition and Explanation of Functionality

Multitasking in operating systems enables multiple processes or threads to share CPU…

Creating Disk Images with Ghost Imaging: Process, Definition, and Purpose

Learn how ghost imaging creates exact disk images for backup, deployment, and…

Detailed Explanation of ACID Properties: The Four Principles of Database Transactions

ACID ensures reliable database transactions: Atomicity (all-or-nothing), Consistency (rules preserved), Isolation (transactions…

Legacy Systems in the World of IT: Their Significance and Impact on the Business Environment

Legacy systems, though often outdated, remain vital to many organizations—supporting core operations,…

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