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Binary is a form of mathematical notation, not a language.

In binary, there are only 2 digits, 0 and 1, called "bits", for "binary digits".

It is the prevalent system used in electronics and computers because it matches the most closely how these circuits work, either there is a current (1) or there is not (0).

In binary, numbers from 0 to 10 go as: 0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010.

In computers, English letters are represented under 8 bits, forming a byte (group of 8 bits). The first widespread representation was called ASCII and actually used only 7 bits originally.

Each number, letter, sign, and some other characters were assigned a code from 1 to 127. For instance, the number 65 was used for the letter "A", 66 for "B", etc.

These numeric codes could be represented in decimal values, like 65, or 41 in hexadecimal, or 100 0001 in binary. All correspond to the same number under different notation systems.

Most calculator software offer a "scientific" view where you can enter a number in one notation and have it converted into another, if you want to translate binary into decimal.

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13y ago

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