All of the numbers we can possibly think of use some combination of those 10 digits.

Computers, however, operate very differently.

Instead, they use a number system that has just two digits one and zero.

This system is called binary, and your computer uses it all the time.

Computers need information in order to do what they dio.

This digital information or data is made up of something called bits.

Bit is short for binary digit, meaning each bit is really just a single number, either a one or a zero.

These bits CA NBI combined to create larger units like bites, megabytes and so on that we use to measure our files.

The larger a file is, the more bits it has.

So something like a high resolution video is actually made up of million's and million's and million's of ones and zeros.

So how exactly do these ones and zeros come together and allow a computer to function?

Let's think of binary as a light switch.

Imagine that a one represents the light switch being on, and zero represents it being off with binary.

The light is either on or off with no other possible states.

So these bits are strung together as different combinations of ones and zeros, and they form a kind of code.

Your computer then rapidly processes this code and translates it into data telling it what to dio.

You might be wondering, why do computers use binary instead of the decimal system that we use for counting things in the real world?

While as previously mentioned, binary has two states off and on, If computers were to use decimal, there would be 10 states.

Instead, our computers would have to work a lot harder to process all of these.

Binary is easier for them to process and also takes up less space, just like Adams make up everything around us.

In the real world, everything in the digital world, including video, text, pictures and more, can be broken down into binary.

And even though we can't see them, it's all a bunch of ones and zeros.

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