Explore the best online C programming courses

Interested in learning C programming but not sure where to start? Explore our guide to learn the fundamentals of C and find online courses that fit your goals.

Key takeaways

  • C is widely used in operating systems such as Linux, macOS, and parts of Windows, as well as embedded systems found in cars, medical devices, and consumer electronics.
  • As a foundational, low-level programming language with a relatively small set of keywords, C can be a strong starting point for learners interested in systems programming and computer science.
  • You can start learning C programming with online courses that typically take 2-6 weeks to complete.

Popular online C programming courses with certificates

What is C programming?

C is a general-purpose programming language used to build operating systems such as Linux and components of macOS and Windows. It's also widely used in embedded systems that power the Internet of Things (IoT), making this 50-year-old programming language more relevant than ever.

From cloud infrastructure to embedded devices and automotive systems, C continues to play an important role in modern computing.

Why learn C programming?

  • C language applications: C is widely used to develop operating systems, embedded systems, firmware, and device drivers.
  • Infrastructure uses: Many foundational open-source projects, including the Linux kernel, Git, and the Apache HTTP Server, are primarily written in C.
  • Simple syntax: Because C uses relatively simple syntax and a small set of keywords, experienced programmers can often learn its fundamentals quickly.

Browse online C programming certificates

Find new interests and advance your career opportunities

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Use the knowledge and skills you have gained to drive impact at work and grow your career.

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On your computer, tablet or phone, online courses make learning flexible to fit your busy life.

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Careers you can pursue with a C programming background

Learning C programming can help prepare you for careers such as computer programmer, software developer, or firmware developer. It can also provide foundational skills for work in embedded systems, IoT, and automotive software.

Computer programmer

Computer programmers develop, test, and update computer programs. They create original code and use code libraries as needed to complete their tasks efficiently. Computer programmers work with a variety of programming languages, including C.

  • Required education: Bachelor's degree
  • Median annual salary (2024): $98,670

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Steps to get started in C programming

Ready to get started? Learn the fundamentals of C programming, programming syntax, and computer architecture with these online courses from edX.

1. Learn the foundations of programming and computer science

Start with courses on the basics of programming and computer science. Building a strong foundation will help you understand C programming and expand your programming skill set.

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Frequently Asked Questions

What is the difference between C and C++?

C and C++ share a root but have different uses. C is a streamlined way to communicate with hardware in embedded systems. In contrast, C++ is an extension of C that adds classes and object-oriented applications. C++ is commonly used in game development, graphics applications, high-performance software, and systems programming.

Is C programming still relevant?

Yes, C programming is extremely relevant because of its uses in embedded systems, including medical devices, automobiles, consumer electronics, and IoT systems. As a low-level programming language, C limits resource consumption while boosting execution speed.

Do I need programming experience to learn C?

C uses relatively simple syntax and a small set of keywords, making it an approachable option for learners interested in systems programming, although some beginners may find higher-level languages easier to start with.

How long does it take to learn C programming?

How long it takes to learn the C programming language depends on a few factors, such as your previous coding experience and the amount of time per day you can allocate to studying. Different educational paths involve different time commitments. For example, you can take an online C programming course that may only last a few weeks, or you can earn a certificate in a matter of months. On the other hand, degree programs typically take several years to complete.

Is C programming difficult to learn?

C uses relatively simple syntax and a small set of keywords, but concepts like pointers and manual memory management can make it more challenging than some higher-level languages. With consistent practice, many beginners successfully learn C.

How can I learn C by myself?

You can learn C on your own by browsing online for free resources like tutorial videos. If you are interested in committing some time and money to your study, consider taking an online course or earning a programming certificate.