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This online course in Computer Science is one of the most popular MOOCs worldwide (with more than 1 million online students).

It's the online version of Harvard's introductory "CS50" class. A young professor teaches everything you need to know as a beginner in computer science.

The course gives learners an introduction to algorithms, cyber security, software and web development. It includes programming languages such as C, PHP, JavaScript, CSS and HTML.

No prior experience is required to take the course. Learning is free, an optional course certificate can be purchased.


- There is also a shorter and less technical version of the course for business professionals (here).

- Additional slides and lecture notes are available here.

- There is also a 3D/VR version with 360 degree videos available on Youtube. However, this is not the full MOOC course (only videos).

Harvard University

Teacher: Professor David Malan
Provided by: edX
Course language: English
Fees: free course
Level: beginner
Certificate possible? (fee)
Format: MOOC/online course

How do you like the course 'Introduction to Computer Science'?

Other online courses in Computer Science, IT