You can learn Computer Science at Harvard University for free.
The course covers:
1. Algorithms
2. Data Structures
3. Resource management
4. Security
5. Software engineering
6. Web development
7. Artificial Intelligence
https://online-learning.harvard.edu/course/cs50-introduction-computer-science?delta=0
The course covers:
1. Algorithms
2. Data Structures
3. Resource management
4. Security
5. Software engineering
6. Web development
7. Artificial Intelligence
https://online-learning.harvard.edu/course/cs50-introduction-computer-science?delta=0