Fundamentals of Computer Architecture and Data Storage

Ever wondered what actually happens when a computer runs your code? To write efficient software, you must understand the underlying hardware, memory systems, and data processing mechanisms that power modern computing. This text-only course demystifies computer architecture, taking you from the simplest bits and bytes to the complex interaction between the CPU, memory, and storage. You will gain a solid mental model of how computers represent information and execute instructions, enabling you to write more optimized code and debug system-level issues with confidence. What you'll learn: Understand how data is represented in binary, including integers, floating-point numbers, and text encoding; Explore the Von Neumann architecture and the fundamental components of a modern CPU; Analyze the memory hierarchy, from high-speed CPU registers and caches to RAM and solid-state storage; Learn how instruction set architectures bridge the gap between software and hardware, comparing RISC and CISC concepts; Trace the execution cycle of an instruction from fetch to execute; Examine modern hardware trends, including multi-core processing and the differences between x86 and ARM architectures. The course begins with foundational concepts of binary logic and data representation before guiding you through processor design, memory management, and instruction execution. Through clear written explanations and conceptual exercises, you will build a complete architectural map of a modern computer. This course is designed for beginner programmers, computer science students, and curious tech enthusiasts who want to understand how computers work at a fundamental level. No prior hardware engineering experience is required. Start reading today to unlock a deeper understanding of the systems that power our digital world.