Binary may refer to:
Science and technology
Mathematics
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Binary number
A binary number is a number expressed in the base-2 numeral system or binary numeral system, a method of mathematical expression which uses only two symbols: typically "0" (zero) and "1" ( one).
The base-2 numeral system is a positional notatio ...
, a representation of numbers using only two digits (0 and 1)
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Binary function, a function that takes two arguments
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Binary operation
In mathematics, a binary operation or dyadic operation is a rule for combining two elements (called operands) to produce another element. More formally, a binary operation is an operation of arity two.
More specifically, an internal binary op ...
, a mathematical operation that takes two arguments
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Binary relation
In mathematics, a binary relation associates elements of one set, called the ''domain'', with elements of another set, called the ''codomain''. A binary relation over Set (mathematics), sets and is a new set of ordered pairs consisting of ele ...
, a relation involving two elements
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Binary-coded decimal, a method for encoding for decimal digits in binary sequences
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Finger binary
Finger binary is a system for counting and displaying binary numbers on the fingers of either or both hands. Each finger represents one binary digit or bit. This allows counting from zero to 31 using the fingers of one hand, or 1023 using both: ...
, a system for counting in binary numbers on the fingers of human hands
Computing
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Binary code, the digital representation of text and data
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Bit
The bit is the most basic unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represente ...
, or binary digit, the basic unit of information in computers
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Binary file
A binary file is a computer file that is not a text file. The term "binary file" is often used as a term meaning "non-text file". Many binary file formats contain parts that can be interpreted as text; for example, some computer document fil ...
, composed of something other than human-readable text
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Executable
In computing, executable code, an executable file, or an executable program, sometimes simply referred to as an executable or binary, causes a computer "to perform indicated tasks according to encoded instruction (computer science), instructi ...
, a type of binary file that contains machine code for the computer to execute
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Binary tree
In computer science, a binary tree is a k-ary k = 2 tree data structure in which each node has at most two children, which are referred to as the ' and the '. A recursive definition using just set theory notions is that a (non-empty) binary t ...
, a computer tree data structure in which each node has at most two children
Astronomy
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Binary star
A binary star is a system of two stars that are gravitationally bound to and in orbit around each other. Binary stars in the night sky that are seen as a single object to the naked eye are often resolved using a telescope as separate stars, in wh ...
, a star system with two stars in it
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Binary planet
In astronomy, a double planet (also binary planet) is a binary satellite system where both objects are planets, or planetary-mass objects, that share an orbital axis external to both planetary bodies.
Although up to a third of the star syst ...
, two planetary bodies of comparable mass orbiting each other
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Binary asteroid
A binary asteroid is a system of two asteroids orbiting their common barycenter. The binary nature of 243 Ida was discovered when the Galileo spacecraft flew by the asteroid in 1993. Since then numerous binary asteroids and several triple a ...
, two asteroids orbiting each other
Biology
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Binary fission
Binary may refer to:
Science and technology Mathematics
* Binary number, a representation of numbers using only two digits (0 and 1)
* Binary function, a function that takes two arguments
* Binary operation, a mathematical operation that t ...
, the splitting of a single-celled organism into two daughter cells
Chemistry
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Binary phase
In materials chemistry, a binary phase or binary compound is a chemical compound containing two different elements. Some binary phase compounds are molecular, e.g. carbon tetrachloride (CCl4). More typically binary phase refers to extended sol ...
, a chemical compound containing two different chemical elements
Arts and entertainment
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Binary (comics)
Carol Susan Jane Danvers is a character appearing in American comic books published by Marvel Comics. Created by writer Roy Thomas and artist Gene Colan, Danvers first appeared as an officer in the United States Air Force and a colleague of ...
, a superheroine in the Marvel Universe
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''Binary'' (Doctor Who audio)
Music
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Binary form
Binary form is a musical form in 2 related sections, both of which are usually repeated. Binary is also a structure used to choreograph dance. In music this is usually performed as A-A-B-B.
Binary form was popular during the Baroque period, of ...
, a way of structuring a piece of music
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''Binary'' (Ani DiFranco album), 2017
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''Binary'' (Kay Tse album), 2008
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"Binary" (song), a 2007 single by Assemblage 23
Novel
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''Binary'' (novel), a 1972 novel by Michael Crichton (writing as John Lange)
* Binary, an evil organization in the novel ''
InterWorld
''InterWorld'' is a fantasy and science fiction novel by Neil Gaiman and Michael Reaves. The book was published in 2007 by EOS, an imprint of HarperCollins Publishers. It follows the story of Joey Harker who, together with a group of other Jo ...
''
Other uses
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Binary opposition
A binary opposition (also binary system) is a pair of related terms or concepts that are opposite in meaning. Binary opposition is the system of language and/or thought by which two theoretical opposites are strictly defined and set off against one ...
, polar opposites, often ignoring the middle ground
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Gender binary
The gender binary (also known as gender binarism) is the classification of gender into two distinct, opposite forms of masculine and feminine, whether by social system, cultural belief, or both simultaneously. Most cultures use a gender bina ...
, the classification of sex and gender into two distinct and disconnected forms of masculine and feminine
See also
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Binary logic (disambiguation) Binary logic may refer to:
* Boolean logic, a two-valued formal logic
** Logic gates implementing Boolean logic in digital electronics
* Bivalent logic or two-valued logic, a logic satisfying the principle of bivalence
See also
* Binary numeral s ...
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Binomial (disambiguation)
Binomial may refer to:
In mathematics
*Binomial (polynomial), a polynomial with two terms
* Binomial coefficient, numbers appearing in the expansions of powers of binomials
*Binomial QMF, a perfect-reconstruction orthogonal wavelet decomposition
...
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Boolean (disambiguation)
Any kind of logic, function, expression, or theory based on the work of George Boole is considered Boolean.
Related to this, "Boolean" may refer to:
* Boolean data type, a form of data with only two possible values (usually "true" and "false" ...
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Secondary (disambiguation)
Secondary may refer to: Science and nature
* Secondary emission, of particles
** Secondary electrons, electrons generated as ionization products
* The secondary winding, or the electrical or electronic circuit connected to the secondary winding ...
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Ternary (disambiguation)
Ternary (from Latin ''ternarius'') or trinary is an adjective meaning "composed of three items". It can refer to:
Mathematics and logic
* Ternary numeral system, a base-3 counting system
** Balanced ternary, a positional numeral system, useful ...
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Unary (disambiguation)
Unary may refer to:
*Unary numeral system, the simplest numeral system to represent natural numbers
*Unary function, a function that takes one argument; in computer science, a unary operator is a subset of unary function
*Unary operation, a kind of ...
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{{Disambiguation