Updated in May 2025.

This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. This course is designed to introduce you to the world of IT, focusing on fundamental hardware concepts crucial for any aspiring IT professional. Starting with the essentials, you will dive into the foundational components of modern computer systems, such as CPUs, RAM, and mass storage devices. You will also explore the critical role of firmware, motherboards, and power supplies in system operations. These lessons will give you a solid grounding in how hardware works, how components interact, and how they support the function of a computer system. As you progress, the course will introduce you to troubleshooting methodologies and practical installation techniques. You’ll learn to apply theory to real-world hardware issues, developing a strong skill set for diagnosing and resolving common technical problems. From understanding CPU architecture to installing RAM and configuring BIOS, every lesson builds upon the last, preparing you for hands-on IT work. The course also provides essential knowledge about cooling systems, mass storage solutions like HDDs and SSDs, and the use of RAID for data redundancy. By the end of the course, you will have mastered the core skills necessary to succeed in entry-level IT roles. Whether you're aiming to pass certifications like the CompTIA A+ or just looking to build a solid technical foundation, this course provides all the tools you need to start your journey into the IT industry. This course is ideal for beginners or anyone interested in understanding IT fundamentals and hardware components. No prior experience is required, though basic computer literacy will be helpful.