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What is a binary system?

In our everyday lives, we use the decimal numbering system. These are the digits 0 through 9. Every number expressed in the decimal system is a combination of these ten digits. However, there is another system which is used in computers, called the binary system.

The binary system works in essentially the same way, with the only difference being that it only has two digits. These are visually expressed by the digits 0 and 1, and every number expressed in the binary system is a combination of and 1.

The binary system is essential in modern electronic technology, because any electric circuit can have only two possible states, on or off. This is true of computers too. So, all the information in computer is stored and transmitted as sequences of binary digits.