Interactive Guides

A growing collection of AI-generated guides. Explore a topic through hands-on examples and interactive explanations.

Artificial intelligence
From tokens to agents

How LLMs and AI agents work: architecture, training, inference, tools, RAG, and context.
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Web fundamentals
What happens when you open a website?

Follow an address to a rendered page: DNS, TCP, HTTPS, requests, resources, cookies, and sign-in.
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Internet fundamentals
How data travels across the internet

Follow one transfer through packets, a shared link, TCP or UDP delivery, and the application’s result.
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Live messaging
How live messages reach your browser

Compare polling, Server-Sent Events, and WebSocket through the same conversation.
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CPU & GPU fundamentals
How CPUs and GPUs work together

Follow one AI calculation through memory, submission, parallel work, and completion—with the same answer on both execution paths.
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Operating system fundamentals
How an operating system runs your programs

Follow one editor through launch, opening, reading, editing, and saving—with permissions, cache, memory, and crash experiments along the way.
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Virtualization
How processes, containers, and virtual machines isolate work

Compare who supplies the kernel, how file requests reach hardware, and which boundary contains a crash.
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Databases & storage
How databases store and retrieve data

Explore how row-oriented and columnar storage work, why databases organize data differently, and how those choices affect query performance.
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These guides use JavaScript for their interactive examples. They are AI-generated learning aids and may contain mistakes; verify important details against authoritative sources.