Episode 5 — How Machines “Think” — Algorithms and Representations

When people talk about machines “thinking,” they’re not talking about human intuition or creativity. They’re talking about algorithms — structured sets of instructions — and representations, the ways information is stored and processed. In this episode, we look at how computers encode numbers, words, and images, and how those encodings become the raw material for reasoning. You’ll learn about symbolic approaches, where knowledge is captured in logical rules, and sub-symbolic approaches, where data is represented in weights and layers of a neural network. Search strategies, heuristics, and optimization methods illustrate how machines explore possibilities and choose among them.We also explore the tradeoffs and challenges that come with these approaches. Symbolic reasoning provides transparency but struggles with flexibility, while neural representations capture complexity but resist easy interpretation. You’ll hear how problems are framed in state spaces, graphs, and features, and why abstractions matter for scaling to real-world complexity. From edge detection in vision to word embeddings in natural language, this episode shows the mechanics of how machines “think,” setting the stage for understanding how algorithms evolve into learning systems. Produced by BareMetalCyber.com, where you’ll find more cyber prepcasts, books, and information to strengthen your certification path.

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