Introduction to Hardware and Operating Systems
IBM · View on Coursera ↗
Taught by IBM Skills Network Team, Ramanujam Srinivasan
Information TechnologyComputer Science
About the course
Ready to dive into the world of hardware and operating systems? This beginner-friendly course builds essential entry-level skills needed for roles in IT support, networking, cybersecurity, and software development. During this course, you’ll explore core computing concepts and the four functions of computing. You’ll then dive into internal hardware such as CPUs, motherboards, GPUs, memory, interfaces, ports, and peripherals. Plus, you’ll look at how modern technologies such as virtualization (
The consensus
Every one of the 20 reviews we read gave it 4★ or more. This is the most-upvoted one (6 votes).
“This course really helped me to gain new knowledge about Hardware & Operating systems. Video lessons are so nice.”
Coursera's 4.7 comes from 2,066 ratings. Of those, 1.8% are 1–2★.
Starisk reads the reviews learners voted most helpful, and weights each by the square root of its votes: a review with 80 upvotes counts about five times one with 2. Unvoted reviews are not skipped out of laziness — by this model they carry no evidence that other students endorsed them.
That measures what the most-endorsed reviews say, not “true quality.” The rating distribution above is the whole population, so you can see the sample next to it.
Reviews read on 23 Oct 2026.Read them on Coursera ↗