What’s a “base”? It simply refers to the number of symbols available to you while counting.
Why is binary so important to computers? Because a single binary digit — or “bit” for short — is the smallest individual unit of data that a computer can deal with.
With just 8 bits, you can represent 256 unique numeric values, starting with 0 and counting up to 255. In modern-day computers, a group of 8 bits is also called a “byte”.
In modern-day computers, a group of 8 bits is also called a “byte”.