How Ethernet, Wi-Fi, and 5G really differ in speed, latency, reliability, and cost, and how to combine them with the right internet line and backup for offices, warehouses, and shops.
Technology · Topic
Technology Fundamentals
Plain-English guides to the technology every business runs on — how computers, operating systems, servers, networks and the internet work, what RAM, storage, CPUs, GPUs and NPUs actually do, and how bits, bytes and software licenses affect your IT budget. Written for managers and founders who need to make confident technology decisions without a computer science degree.
- 12 guides
- Updated Sep 26, 2026
Latest in Technology Fundamentals
What Is Open Source Software? Licenses, Examples and Business Risks
What open source really means, how MIT, Apache, GPL and AGPL licenses differ, why vendors are moving to source-available terms, and how to manage cost, compliance and supply-chain risk.
Bits, Bytes and Binary: How Computers Measure Data (KB, MB, GB, TB)
Learn how binary, bits and bytes work, why a 1 TB drive shows 931 GB, how to convert Mbps to MB/s, and what data units mean for storage, bandwidth and cloud bills.
CPU vs GPU vs NPU: What’s the Difference and Which Matters for AI?
CPUs handle varied tasks with a few powerful cores, GPUs crunch parallel math for AI training, and NPUs run AI efficiently on laptops and phones. Here is what each does and what to buy.
RAM vs Storage: How Computer Memory Works (SSD vs HDD Explained)
RAM is a computer’s fast, temporary workspace; storage keeps data for the long term. Learn how the memory hierarchy works, SSD vs HDD, how much RAM staff need and how to back up and wipe drives.
What Is a Server? Types, How It Works and How Businesses Choose One
A plain-English guide to servers: the client-server model, how server hardware differs from a PC, common server roles, and how to choose between on-premises, colocation and cloud.
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How Does the Internet Work? IP Addresses, DNS, Packets and HTTP Explained
A plain-language guide to how the internet works: networks of networks, packets and TCP/IP, IP addresses, DNS lookups, HTTPS and TLS, CDNs and latency, plus the business decisions they drive.
What Is an Operating System? A Complete Guide
A clear guide to operating systems — what an OS is, what it does (managing hardware, running programs, providing an interface), the main types (Windows, macOS, Linux, mobile), and why it is essential.
What Are Computer Networks? A Beginner’s Guide
A clear guide to computer networks — what they are, how they work, the main types (LAN, WAN, the internet), key concepts like IP addresses and protocols, and why networks are essential.
How Do Computers Work? A Beginner’s Guide
A clear, beginner-friendly guide to how computers work — the input-process-output model, the CPU, memory and storage, binary and bits, and how these come together to process information.
Hardware vs Software: What’s the Difference?
A clear guide to hardware vs software — what each is, how they differ, the main types of each, and how hardware and software work together to make computers and technology function.
What Is Information Technology (IT)? A Complete Guide
A clear guide to information technology (IT) — what it is, its main components (hardware, software, networks, data, people), what IT does for organizations, and why it is essential to modern business and life.