|Computer Science For Beginners With Harvard's CS50x|
|Written by Nikos Vaggalis|
|Monday, 31 January 2022|
CS50x is a highly popular online introductory course to Computer Science that just keeps going. You can now enrol in the self-paced 2022 edition for free on the revamped edX platform.
CS50x: Introduction to Computer Science comes from Harvard University and already had a long history as an on-campus course before its online incarnation as one of the very first courses on the edX platform in 2012. In 2018, when several spin-off courses were launched (see More CS50 Courses on edX) Sue Gee wrote:
If you've not done this Harvard entry-level Computer Science course, aimed at students without prior programming experience, either on campus at Harvard or in its online version CS50x on edX, you can still join these follow-ons but you would be missing a treat - a 12-weeks course in which David J. Malan teaches students how to think algorithmically and solve problems efficiently.
And that's exactly what you get as described.
As of January 2022 it is still offered on edX for free, but with the optional upgrade available of paying $149 for a Certificate. Enrolling gives you access to the usual resources - videos, transcripts, lecture notes as well projects. Note that it is offered as self-paced which means that you may take CS50x on your own schedule, but the estimated time of completion is 12 weeks.
If you're not interested in the whole experience, but still want to find out what the fuss is about all the lectures for the 2021 edition are included in this Youtube playlist:
Week 0 Scratch
plus an extra lecture on Cybersecurity.
Last year edX was acquired by 2U, but this hasn't had any detrimental impact. In her report of the merger, Sue Gee wrote:
While merging with 2U seems to mark a discontinuous change, in his Letter to the MIT Community, MIT President, L. Rafael Reif, puts a positive spin on the future prospects both for edX and its non-profit successor, writing:
"The overall agreement actively sustains the mission of edX through a series of provisions that protect learner data, ensure free and low-cost access to courses, preserve choice for partner universities and faculty, and continue the open-source platform Open edX
The proceeds of the transaction – $800 million – will flow into a nonprofit entity with a refreshed educational mission and a new name. Governed by MIT and Harvard, this nonprofit will steward and enhance the Open edX platform and explore promising new ideas for making online learning more effective, engaging and personalized.
As such the business known as edX and the www.edX.org website are no longer governed by Harvard or MIT, but as far as this course offering is concerned nothing has changed and is still offered for free with all the material intact and students now have access to the 2022 edition of the course.
The full syllabus goes like this :
Week 0 Scratch
Week 1 C
Week 2 Arrays
Week 3 Algorithms
Week 4 Memory
Week 5 Data Structures
Week 6 Python
Week 7 SQL
Week 9 Flask Web programming
Week 10 Emoji (advocating for emojis across cultures and groups of people)
Apart from the lectures there's also a series of seminars :
As far as that journey goes, there's guidance on that too as in the Course's Harvard site there is a section dedicated on how to prepare for a technical interview.
It really is a timeless, well-executed course that from update to update just keeps getting better. Recommended.
2021 edition's Youtube playlist
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|Last Updated ( Thursday, 01 June 2023 )|