CS50 REVIEW In 2025 - Still the best Computer Science Course to Learn? (Harvard, edX)

Summary

In this review of Harvard's CS50 Introduction to Computer Science course, Daniel explores whether the course remains relevant in today's landscape of online learning alternatives. He praises the engaging teaching style of Professor David J. Malan and the course's focus on not just coding but problem-solving and critical thinking. The course covers programming languages, security, data structures, and more. Despite being time-consuming (10-20 hours/week), CS50 is deemed perfect for beginners. While it’s a great starting point for computer science, Daniel advises learners to continue advancing their skills beyond this foundational course. Overall, CS50 receives a 5/5 rating.

Takeaways

• 😀 Harvard's CS50 is still a top-tier introductory computer science course, offering high-quality content for beginners.
• 🎓 Taught by David J. Malan, a renowned computer scientist, the course is praised for its engaging teaching style.
• 💻 The course covers key programming languages such as C, Python, JavaScript, and SQL, along with topics like security and data structures.
• 🔑 It focuses not only on coding but on developing problem-solving skills and thinking like a programmer.
• 📚 The course provides assignments of varying difficulty to build critical thinking and self-research skills.
• 🌍 Harvard CS50 has a large online community for support and additional resources, including Discord and rated pages.
• 🎥 The course is freely available on YouTube, with an optional paid certificate available through edX.
• ⏳ The course requires a significant time commitment (10-20 hours per week for 11 weeks) but is well worth it for those who are patient.
• 🚀 While it's great for beginners, CS50 is not a quick course and requires persistence to complete.
• 🏅 The course is highly recommended for those new to computer science, and feedback from participants has been overwhelmingly positive.
• ⚠️ CS50 covers the basics of computer science, so it’s important to continue learning after completing it to gain deeper expertise.

Q & A

What is Harvard CS50, and who teaches it?

Harvard CS50 is an introduction to computer science course that is taught by David J. Malan, a well-known American computer scientist and professor at Harvard. The course covers a range of topics in computer science, including programming languages such as C, Python, JavaScript, and SQL, and it is aimed at beginners.

What is unique about the way David J. Malan teaches the course?

David J. Malan is praised for his engaging and inspiring teaching style. His ability to explain complex concepts in an exciting and clear manner makes the learning experience enjoyable. His approach keeps students motivated and interested in the subject matter.

What topics are covered in the CS50 course?

CS50 covers various topics, including how computers work, programming languages like C, Python, JavaScript, and SQL, as well as security, software, basic data structures, and problem-solving techniques. The course is designed to teach students not just to code, but to think like a programmer.

How does the CS50 course benefit beginners in computer science?

CS50 is designed specifically for beginners, making it accessible even to those with no prior coding experience. The course focuses on developing problem-solving skills and teaches students how to research and find solutions on their own, which is a key part of being a successful programmer.

What kind of assignments are included in CS50, and how do they contribute to learning?

The course includes problem sets of varying difficulty that challenge students to apply what they’ve learned. These assignments are meant to improve critical thinking and problem-solving skills, helping students learn how to approach problems independently and build real-world solutions.

Is the CS50 course free, and can you earn a certificate?

Yes, CS50 is available for free on platforms like YouTube. If students want to earn a certificate, they can pay for it via edX. While the certificate might not directly impact job opportunities, it can still be a useful credential for personal development.

What is the time commitment required for CS50?

The CS50 course is 11 weeks long, with an average time commitment of 10 to 20 hours per week. It is a time-intensive course, so it may not be suitable for everyone, but those who are patient and dedicated will find it to be a valuable learning experience.

Is CS50 recommended for absolute beginners in programming?

Yes, CS50 is a great option for beginners. Although it is challenging, it provides a solid foundation in computer science. Students will learn not just to code, but also how to think critically and solve problems like a programmer.

What do the instructors emphasize in their teaching approach in CS50?

The instructors emphasize learning to think critically and solve problems independently. The course is not just about following instructions step by step; it’s about developing the skills to approach and resolve challenges as a programmer.

What is the overall feedback on the CS50 course based on the review?

The review provides very positive feedback, rating the course 5 out of 5. The course is recognized for its high-quality content, engaging teaching style, and its ability to inspire and educate beginners. However, it’s noted that while the course is valuable, it only covers the basics, and further learning is recommended.