Some ideas tie the whole digital world together. These lessons explain the connecting concepts, the cloud, data, networks, and code, that link the web, programming, and AI. They're the 'aha' lessons that make the rest of the library click into place.
What Is Source Code?
The instructions people write to tell a computer what to do.
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What Is Python?
A friendly programming language for beginners and experts.
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What Is Java?
A popular programming language for apps, websites, and big systems.
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What Is an Algorithm?
A step-by-step recipe for solving a problem.
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What Is a Variable?
A named box that holds information.
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What Is a Function?
A named set of steps that does a job.
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What Is GitHub?
A place where people store, share, and work on code together.
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What Is Version Control?
Saving your work in versions so you can go back and compare.
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What Is DevOps?
How people build, test, and take care of apps together.
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What Is Open Source?
Code people share so others can read, learn, and improve it.
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What Is a Bug?
A mistake in code that makes a program act wrong.
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What Is Debugging?
Finding and fixing bugs so things work correctly again.
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What Is the Cloud?
Computers in other places that store and run things for you.
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What Is Data?
Information that computers can store, count, and use.
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