The Binary, or base-2 number system, is represented by the symbols 1 and 0. It’s used in most digital electronic circuits and all desktop computers in the world. Because of this, a basic understanding of binary is extremely important to a computer scientist.
Why Binary and not Decimal?
Everyone’s familiar with Decimal. It’s the number system we all use every day – and for good reason – we have 10 fingers and 10 toes. For a humans it just makes sense.

