Most of us grow up using the decimal system (a number system based on ten digits: 0–9) without ever thinking about it. It's the way we learn to count, do math, and work with numbers every day.
Computers take a very different approach.
Instead of ten digits, they use binary, which uses only two digits - 0 and 1. At first glance, that might sound confusing and it's certainly different from what we're used to. However, there's a surprisingly simple reason behind it and without it, our computers couldn't function.
Even though binary uses only two digits, it allows computers to represent numbers, process information, and perform all the tasks we rely on every day. It's one of the fundamental ideas behind modern computing.
Once you understand the basic idea, you'll start seeing technology a little differently.
Watch the full video to see how two digits became the foundation of everything a computer does.
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