Free Computer Science Tutorial at GCFGlobal

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Algorithms ✓ Learn more about what algorithms are and where we can find them in the world around us.
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Hardware and Software ✓ Learn the difference between hardware and software and how both serve as a foundation for the technologies we use every day.
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Binary ✓ Learn how computers use binary to do what they do.
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Programming Languages ✓ Learn what a programming language is and how it's used in the digital world.
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Sequences, Selections, and Loops ✓ Learn about sequences, selections, and loops and how they're used in programming.
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Should I Learn to Code? ✓ Learn the pros and cons of starting a career in computer programming.