Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1][2] It involves designing and implementing algorithms, step …

Coding involves giving a computer a set of instructions to execute using a programming language like Python or Java. While each programming language has its own way of giving instructions, they all …

You will learn to code by building dozens of projects, step-by-step, right in your browser, code editor, or mobile app. You will also earn free verified certifications along the way.

From elementary through high school, Code.org offers comprehensive, standards-aligned computer science courses used in over 2 million classrooms across the country. Our free, flexible curriculum …

Nov 12, 2025 · Computer programming is the process of instructing computers to perform tasks. It’s the foundation of modern technology, helping beginners understand how computers work, use variables …

Aug 30, 2025 · To code, start by choosing a programming language that you want to learn, like HTML5 or C++, which are basic languages for beginners. Use free resources online, like video tutorials and …

Learn coding with our free and beginner friendly courses on Python, Java, C, C++, Data structures, Algorithms, SQL. Solve our collection of 1000s of problems to practice coding.

Take a look at some amazing computer programming projects created by Khan users from around the world! See a program that inspires you? Be sure to vote it up, ask a question or make your very own …

Learn to code in Python, C/C++, Java, and other popular programming languages with our easy to follow tutorials, examples, online compiler and references.

Aug 17, 2021 · When you learn how to code, you'll be able to write instructions for computers to follow. This lets you make websites, applications, and software, and do some other cool stuff.