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  1. CS50x 2026

    This is CS50, Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming, for …

  2. 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., …

  3. CS50: Harvard’s computer science courses and certificates | edX

    Harvard's CS50 is a series of online computer science courses taught by Harvard University and available on edX. Most learners …

  4. CS50

    This site is the home for teachers interested in bringing CS50 to their high school or university. CS50 AP, which satisfies the College …

  5. Courses - CS50x 2026

    CS50 Cybersecurity is an introduction to cybersecurity for technical and non-technical audiences alike. Learn how to secure your …

  6. CS50: Introduction to Computer Science - Harvard Online

    The HarvardX CS50 courses are designed for those who want to learn the fundamentals of computer science including some …

  7. HarvardX: CS50's Introduction to Computer Science | edX

    An introduction to the intellectual enterprises of computer science and the art of programming.