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harvard.edu
https://cs50.harvard.edu/x/
CS50x 2025
This is CS50, Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming, for concentrators and non-concentrators alike, with or without prior programming experience.
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edx.org
https://www.edx.org/cs50
CS50: Harvard’s computer science courses and certificates | edX
Harvard University's Computer Science 50 program, or CS50, is a collection of introductory computer science courses designed for students at all levels who want to learn foundational and advanced computing concepts.
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wikipedia.org
https://en.wikipedia.org/wiki/CS50
CS50 - Wikipedia
CS50 (Computer Science 50) [a] is an introductory course on computer science taught at Harvard University by David J. Malan.
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youtube.com
https://www.youtube.com/@cs50
CS50 - YouTube
This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. Demanding, but definitely doable. Social, but educational. A...
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harvard.edu
https://pll.harvard.edu/course/cs50-introduction-c…
CS50: Introduction to Computer Science | Harvard University
The on-campus version of CS50x , CS50, is Harvard's largest course. Students who earn a satisfactory score on 9 problem sets (i.e., programming assignments) and a final project are eligible for a certificate. This is a self-paced course–you may take CS50x on your own schedule.
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edx.org
https://www.edx.org/learn/computer-science/harvard…
HarvardX: CS50's Introduction to Computer Science | edX
An introduction to the intellectual enterprises of computer science and the art of programming.
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classcentral.com
https://www.classcentral.com/report/cs50-free-cert…
Harvard CS50 in 2025: How to Get a Free Certificate
Since its launch, CS50 has maintained a firm stance toward openness through the Harvard OCW platform. In 2025, the course remains entirely free on the platform, including its certificate of completion.
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harvard.edu
https://cs50.harvard.edu/x/2025/courses/
Courses - CS50x 2025
CS50 Cybersecurity is an introduction to cybersecurity for technical and non-technical audiences alike. Learn how to secure your accounts, data, systems, and software against today’s threats and how to recognize and evaluate tomorrow’s as well, both at home and at work.
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cs50.org
https://cs50.org/
CS50
This site is the home for teachers interested in bringing CS50 to their high school or university. CS50 AP, which satisfies the College Board's new AP CS Principles curriculum framework, is identical to the curriculum we use at Harvard, but modified for a high school audience.
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classcentral.com
https://www.classcentral.com/report/harvard-cs50-g…
Harvard CS50 Guide: How to Pick the Right Course (with Free Certificate)
CS50 is Harvard’s computer science introduction. It starts with binary and goes up the ladder of abstraction from machine code to low-level languages to high-level languages.