The binary system of numbers uses which two digits?

In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one).

The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit. Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices.

The modern binary number system was studied in Europe in the 16th and 17th centuries by Thomas Harriot, Juan Caramuel y Lobkowitz, and Gottfried Leibniz. However, systems related to binary numbers have appeared earlier in multiple cultures including ancient Egypt, China, and India.

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20 Comments

twohowlingdogs

There are only 10 kinds of people in the world. Those that know binary and those that don't.

Cheryl Perkins

God, I hate anything mathematical. I am such a dummy at it. just guessed and got it right.

Ray Anderson

Fred Zeb Fudpucker, The options shown as '1 and 10' and '1 and 100' are not correct as the question asks 'which 2 digits are used' and as 10 or 100 are not single digits, they cannot be correct even though these combinations of digits are used in the binary system.