Learn the essential computer science fundamentals that power all modern software — including how code runs, what memory and CPU do, and how programming languages interact with machines. No prior experience needed. This course builds the mindset and foundation for programming, DSA, and interviews.
With so many programming languages available, choosing the right one can be confusing — especially for beginners. The best choice depends on your goals: web development, data science, app development, system programming, or automation.
Ask yourself: What do I want to build?
HTML, CSS, JavaScript, and backend like Python (Django) or Node.jsKotlin (Android), Swift (iOS), or Flutter (cross-platform)Python (with NumPy, pandas, scikit-learn)C# with Unity or C++ for high performancePython or BashC, Rust, or C++| Language | Best For | Learning Curve |
|---|---|---|
| Python | Beginner-friendly, Data Science, Web Dev | Easy |
| JavaScript | Frontend & Backend Web | Medium |
| C | System Programming | Difficult |
| Java | Enterprise Apps, Android | Medium |
| Go | Microservices, Performance | Medium |
UdaanPath uses a modern stack:
In the next chapter, we’ll explore Common CS Interview Questions (Theory) — top questions you should prepare for job interviews.