Computer Science
Learn about basic computer science concepts like algorithms, binary, programming languages, and more
What is GCFGlobal.org?
For almost 20 years, the GCFGlobal.org program has helped millions around the world learn the essential skills they need to live and work in the 21st century by offering self-paced online courses.
We invite you to utilize our courses, here and on YouTube, and highly recommend making an account to access all of our services, including course tracking, view history, eCoaching, and more!
Algorithms ✓Learn more about what algorithms are and where we can find them in the world around us.
2 Hardware and Software ✓Learn the difference between hardware and software and how both serve as a foundation for the technologies we use every day.
3 Binary ✓Learn how computers use binary to do what they do.
4 Programming Languages ✓Learn what a programming language is and how it’s used in the digital world.
5 Sequences, Selections, and Loops ✓Learn about sequences, selections, and loops and how they’re used in programming.
6 Should I Learn to Code? ✓Learn the pros and cons of starting a career in computer programming.
Suggested Tutorials
- Basic Computer Skills
If you are looking for basic computer skills or to upgrade computer skills you already have, review our free Basic Computer Skills tutorial.
- Computer Programming Basics
Learn how to get started with computer programming, including what it is, what you need to know to succeed, and what tools it requires.
- Computer Basics
If you are new to computers or just want to update your computer skills, this free Computer Basics tutorial will show you how.