Foundations of Computing: How Hardware, Software, and Networks Work

Computers are at the center of modern life, yet few of us truly understand what happens beneath the screen. Demystifying how these machines process information is the first step toward digital literacy and confidence. This text-based course guides you through the essential building blocks of computing. You will gain a clear, conceptual understanding of how physical hardware, operating systems, and network connections collaborate to run the applications you use every day. What you'll learn: Understand the roles of key hardware components like the CPU, RAM, and storage; Explain how operating systems manage resources and run software applications; Explore the basics of computer networks, including how the internet transmits data; Identify essential cybersecurity practices to protect your digital environment; Discover how modern cloud computing services store and process data remotely. The journey begins with core terminology and hardware definitions before moving on to software, operating systems, and network architectures. Through clear explanations and written review exercises, you will build a practical mental model of modern computing. This course is designed specifically for absolute beginners with no prior technical background or computer science experience. Start reading today to build a strong foundation for your digital journey.