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111 relations: Abstract data type, ACM Computing Surveys, Ada (programming language), ALGOL, Alphabet, Alphanumeric, Arbitrary-precision arithmetic, Array data type, ASCII, Association for Computing Machinery, Associative array, Attribute–value pair, Binary data, Binary number, Bit, Boolean data type, Byte, C (programming language), C data types, Cartesian product, Categorical variable, Character (computing), Chinese language, CLU (programming language), Compiler, Complex number, Composite data type, Computer memory, Computer programming, Computer science, Correctness (computer science), Count data, Data, Data dictionary, Data structure, Decimal, Disjoint union, Double-ended queue, Enumerated type, Expression (computer science), False (logic), Fixed-point arithmetic, Floating-point arithmetic, Functional programming, Generic programming, Graph (abstract data type), Hash table, Hebrew language, Hierarchy, IEEE 754 revision, ..., Instruction set architecture, Integer (computer science), Interpreter (computing), Java (programming language), Kind (type theory), Level of measurement, Linked list, List (abstract data type), Logical truth, Low-level programming language, Machine code, Memory address, Method (computer programming), Multivariate random variable, Numerical digit, Object (computer science), Object-oriented programming, Octet (computing), Operator (computer programming), Pascal (programming language), Passive data structure, Pointer (computer programming), Polymorphism (computer science), Primitive data type, Priority queue, Programming language, Queue (abstract data type), Random matrix, Random tree, Rational number, Real number, Record (computer science), Reference (computer science), Return statement, Semantics, Sequence, Set (abstract data type), Simula, Smart pointer, Stack (abstract data type), String (computer science), Strong and weak typing, Structured programming, Subroutine, Syntax, System programming, Tagged union, Tree (data structure), Two's complement, Type conversion, Type safety, Type system, Type theory, Union (set theory), Union type, Value (computer science), Value (mathematics), Variable (computer science), Variant type, Word (computer architecture), 32-bit. Expand index (61 more) »
Abstract data type
In computer science, an abstract data type (ADT) is a mathematical model for data types, where a data type is defined by its behavior (semantics) from the point of view of a user of the data, specifically in terms of possible values, possible operations on data of this type, and the behavior of these operations.
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ACM Computing Surveys
ACM Computing Surveys (CSUR) is a peer reviewed scientific journal published by the Association for Computing Machinery.
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Ada (programming language)
Ada is a structured, statically typed, imperative, and object-oriented high-level computer programming language, extended from Pascal and other languages.
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ALGOL
ALGOL (short for "Algorithmic Language") is a family of imperative computer programming languages, originally developed in the mid-1950s, which greatly influenced many other languages and was the standard method for algorithm description used by the ACM in textbooks and academic sources for more than thirty years.
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Alphabet
An alphabet is a standard set of letters (basic written symbols or graphemes) that is used to write one or more languages based upon the general principle that the letters represent phonemes (basic significant sounds) of the spoken language.
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Alphanumeric
Alphanumeric is a combination of alphabetic and numeric characters, and is used to describe the collection of Latin letters and Arabic digits or a text constructed from this collection.
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Arbitrary-precision arithmetic
In computer science, arbitrary-precision arithmetic, also called bignum arithmetic, multiple-precision arithmetic, or sometimes infinite-precision arithmetic, indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system.
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Array data type
Language support for array types may include certain built-in array data types, some syntactic constructions (array type constructors) that the programmer may use to define such types and declare array variables, and special notation for indexing array elements.
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ASCII
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
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Association for Computing Machinery
The Association for Computing Machinery (ACM) is an international learned society for computing.
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Associative array
In computer science, an associative array, map, symbol table, or dictionary is an abstract data type composed of a collection of (key, value) pairs, such that each possible key appears at most once in the collection.
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Attribute–value pair
A name–value pair, key–value pair, field–value pair or attribute–value pair is a fundamental data representation in computing systems and applications.
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Binary data
Binary data is data whose unit can take on only two possible states, traditionally termed 0 and +1 in accordance with the binary numeral system and Boolean algebra.
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Binary number
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).
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Bit
The bit (a portmanteau of binary digit) is a basic unit of information used in computing and digital communications.
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Boolean data type
In computer science, the Boolean data type is a data type that has one of two possible values (usually denoted true and false), intended to represent the two truth values of logic and Boolean algebra.
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Byte
The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number.
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C (programming language)
C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.
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C data types
In the C programming language, data types are declarations for memory locations or variables that determine the characteristics of the data that may be stored and the methods (operations) of processing that are permitted involving them.
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Cartesian product
In set theory (and, usually, in other parts of mathematics), a Cartesian product is a mathematical operation that returns a set (or product set or simply product) from multiple sets.
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Categorical variable
In statistics, a categorical variable is a variable that can take on one of a limited, and usually fixed number of possible values, assigning each individual or other unit of observation to a particular group or nominal category on the basis of some qualitative property.
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Character (computing)
In computer and machine-based telecommunications terminology, a character is a unit of information that roughly corresponds to a grapheme, grapheme-like unit, or symbol, such as in an alphabet or syllabary in the written form of a natural language.
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Chinese language
Chinese is a group of related, but in many cases mutually unintelligible, language varieties, forming a branch of the Sino-Tibetan language family.
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CLU (programming language)
CLU is a programming language created at the Massachusetts Institute of Technology (MIT) by Barbara Liskov and her students between 1974 and 1975.
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Compiler
A compiler is computer software that transforms computer code written in one programming language (the source language) into another programming language (the target language).
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Complex number
A complex number is a number that can be expressed in the form, where and are real numbers, and is a solution of the equation.
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Composite data type
In computer science, a composite data type or compound data type is any data type which can be constructed in a program using the programming language's primitive data types and other composite types.
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Computer memory
In computing, memory refers to the computer hardware integrated circuits that store information for immediate use in a computer; it is synonymous with the term "primary storage".
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Computer programming
Computer programming is the process of building and designing an executable computer program for accomplishing a specific computing task.
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Computer science
Computer science deals with the theoretical foundations of information and computation, together with practical techniques for the implementation and application of these foundations.
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Correctness (computer science)
In theoretical computer science, correctness of an algorithm is asserted when it is said that the algorithm is correct with respect to a specification.
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Count data
In statistics, count data is a statistical data type, a type of data in which the observations can take only the non-negative integer values, and where these integers arise from counting rather than ranking.
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Data
Data is a set of values of qualitative or quantitative variables.
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Data dictionary
A data dictionary, or metadata repository, as defined in the IBM Dictionary of Computing, is a "centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format".
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Data structure
In computer science, a data structure is a data organization and storage format that enables efficient access and modification.
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Decimal
The decimal numeral system (also called base-ten positional numeral system, and occasionally called denary) is the standard system for denoting integer and non-integer numbers.
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Disjoint union
In set theory, the disjoint union (or discriminated union) of a family of sets is a modified union operation that indexes the elements according to which set they originated in.
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Double-ended queue
In computer science, a double-ended queue (abbreviated to deque) is an abstract data type that generalizes a queue, for which elements can be added to or removed from either the front (head) or back (tail).
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Enumerated type
In computer programming, an enumerated type (also called enumeration, enum, or factor in the R programming language, and a categorical variable in statistics) is a data type consisting of a set of named values called elements, members, enumeral, or enumerators of the type.
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Expression (computer science)
An expression in a programming language is a combination of one or more constants, variables, operators, and functions that the programming language interprets (according to its particular rules of precedence and of association) and computes to produce ("to return", in a stateful environment) another value.
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False (logic)
In logic, false or untrue is the state of possessing negative truth value or a nullary logical connective.
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Fixed-point arithmetic
In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point (after the decimal point '.' in English decimal notation).
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Floating-point arithmetic
In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.
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Functional programming
In computer science, functional programming is a programming paradigm—a style of building the structure and elements of computer programs—that treats computation as the evaluation of mathematical functions and avoids changing-state and mutable data.
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Generic programming
Generic programming is a style of computer programming in which algorithms are written in terms of types to-be-specified-later that are then instantiated when needed for specific types provided as parameters.
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Graph (abstract data type)
In computer science, a graph is an abstract data type that is meant to implement the undirected graph and directed graph concepts from mathematics, specifically the field of graph theory.
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Hash table
In computing, a hash table (hash map) is a data structure that implements an associative array abstract data type, a structure that can map keys to values.
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Hebrew language
No description.
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Hierarchy
A hierarchy (from the Greek hierarchia, "rule of a high priest", from hierarkhes, "leader of sacred rites") is an arrangement of items (objects, names, values, categories, etc.) in which the items are represented as being "above", "below", or "at the same level as" one another A hierarchy can link entities either directly or indirectly, and either vertically or diagonally.
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IEEE 754 revision
IEEE 754-2008 (previously known as IEEE 754r) was published in August 2008 and is a significant revision to, and replaces, the IEEE 754-1985 floating point standard.
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Instruction set architecture
An instruction set architecture (ISA) is an abstract model of a computer.
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Integer (computer science)
In computer science, an integer is a datum of integral data type, a data type that represents some range of mathematical integers.
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Interpreter (computing)
In computer science, an interpreter is a computer program that directly executes, i.e. performs, instructions written in a programming or scripting language, without requiring them previously to have been compiled into a machine language program.
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Java (programming language)
Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.
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Kind (type theory)
In the area of mathematical logic and computer science known as type theory, a kind is the type of a type constructor or, less commonly, the type of a higher-order type operator.
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Level of measurement
Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables.
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Linked list
In computer science, a linked list is a linear collection of data elements, whose order is not given by their physical placement in memory.
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List (abstract data type)
In computer science, a list or sequence is an abstract data type that represents a countable number of ordered values, where the same value may occur more than once.
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Logical truth
Logical truth is one of the most fundamental concepts in logic, and there are different theories on its nature.
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Low-level programming language
A low-level programming language is a programming language that provides little or no abstraction from a computer's instruction set architecture—commands or functions in the language map closely to processor instructions.
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Machine code
Machine code is a computer program written in machine language instructions that can be executed directly by a computer's central processing unit (CPU).
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Memory address
In computing, a memory address is a reference to a specific memory location used at various levels by software and hardware.
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Method (computer programming)
A method in object-oriented programming (OOP) is a procedure associated with a message and an object.
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Multivariate random variable
In probability, and statistics, a multivariate random variable or random vector is a list of mathematical variables each of whose value is unknown, either because the value has not yet occurred or because there is imperfect knowledge of its value.
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Numerical digit
A numerical digit is a single symbol (such as "2" or "5") used alone, or in combinations (such as "25"), to represent numbers (such as the number 25) according to some positional numeral systems.
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Object (computer science)
In computer science, an object can be a variable, a data structure, a function, or a method, and as such, is a value in memory referenced by an identifier.
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Object-oriented programming
Object-oriented programming (OOP) is a programming paradigm based on the concept of "objects", which may contain data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. A feature of objects is that an object's procedures can access and often modify the data fields of the object with which they are associated (objects have a notion of "this" or "self").
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Octet (computing)
The octet is a unit of digital information in computing and telecommunications that consists of eight bits.
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Operator (computer programming)
Programming languages typically support a set of operators: constructs which behave generally like functions, but which differ syntactically or semantically from usual functions.
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Pascal (programming language)
Pascal is an imperative and procedural programming language, which Niklaus Wirth designed in 1968–69 and published in 1970, as a small, efficient language intended to encourage good programming practices using structured programming and data structuring. It is named in honor of the French mathematician, philosopher and physicist Blaise Pascal. Pascal was developed on the pattern of the ALGOL 60 language. Wirth had already developed several improvements to this language as part of the ALGOL X proposals, but these were not accepted and Pascal was developed separately and released in 1970. A derivative known as Object Pascal designed for object-oriented programming was developed in 1985; this was used by Apple Computer and Borland in the late 1980s and later developed into Delphi on the Microsoft Windows platform. Extensions to the Pascal concepts led to the Pascal-like languages Modula-2 and Oberon.
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Passive data structure
In computer science and object-oriented programming, a passive data structure (PDS, not to be confused with IBM's partitioned data sets; also termed a plain old data structure, or plain old data (POD)), is a term for a record, to contrast with objects.
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Pointer (computer programming)
In computer science, a pointer is a programming language object that stores the memory address of another value located in computer memory.
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Polymorphism (computer science)
In programming languages and type theory, polymorphism (from Greek πολύς, polys, "many, much" and μορφή, morphē, "form, shape") is the provision of a single interface to entities of different types.
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Primitive data type
In computer science, primitive data type is either of the following.
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Priority queue
In computer science, a priority queue is an abstract data type which is like a regular queue or stack data structure, but where additionally each element has a "priority" associated with it.
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Programming language
A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output.
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Queue (abstract data type)
In computer science, a queue is a particular kind of abstract data type or collection in which the entities in the collection are kept in order and the principal (or only) operations on the collection are the addition of entities to the rear terminal position, known as enqueue, and removal of entities from the front terminal position, known as dequeue.
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Random matrix
In probability theory and mathematical physics, a random matrix is a matrix-valued random variable—that is, a matrix in which some or all elements are random variables.
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Random tree
In mathematics and computer science, a random tree is a tree or arborescence that is formed by a stochastic process.
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Rational number
In mathematics, a rational number is any number that can be expressed as the quotient or fraction of two integers, a numerator and a non-zero denominator.
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Real number
In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line.
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Record (computer science)
In computer science, a record (also called a structure, struct, or compound data) is a basic data structure.
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Reference (computer science)
In computer science, a reference is a value that enables a program to indirectly access a particular datum, such as a variable's value or a record, in the computer's memory or in some other storage device.
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Return statement
In computer programming, a return statement causes execution to leave the current subroutine and resume at the point in the code immediately after where the subroutine was called, known as its return address.
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Semantics
Semantics (from σημαντικός sēmantikós, "significant") is the linguistic and philosophical study of meaning, in language, programming languages, formal logics, and semiotics.
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Sequence
In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed.
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Set (abstract data type)
In computer science, a set is an abstract data type that can store unique values, without any particular order.
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Simula
Simula is the name of two simulation programming languages, Simula I and Simula 67, developed in the 1960s at the Norwegian Computing Center in Oslo, by Ole-Johan Dahl and Kristen Nygaard.
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Smart pointer
In computer science, a smart pointer is an abstract data type that simulates a pointer while providing added features, such as automatic memory management or bounds checking.
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Stack (abstract data type)
In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations.
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String (computer science)
In computer programming, a string is traditionally a sequence of characters, either as a literal constant or as some kind of variable.
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Strong and weak typing
In computer programming, programming languages are often colloquially classified as to whether the language's type system makes it strongly typed or weakly typed (loosely typed).
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Structured programming
Structured programming is a programming paradigm aimed at improving the clarity, quality, and development time of a computer program by making extensive use of the structured control flow constructs of selection (if/then/else) and repetition (while and for), block structures, and subroutines in contrast to using simple tests and jumps such as the go to statement, which can lead to "spaghetti code" that is potentially difficult to follow and maintain.
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Subroutine
In computer programming, a subroutine is a sequence of program instructions that performs a specific task, packaged as a unit.
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Syntax
In linguistics, syntax is the set of rules, principles, and processes that govern the structure of sentences in a given language, usually including word order.
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System programming
System programming (or systems programming) is the activity of programming computer system software.
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Tagged union
In computer science, a tagged union, also called a variant, variant record, choice type, discriminated union, disjoint union, or sum type, is a data structure used to hold a value that could take on several different, but fixed, types.
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Tree (data structure)
In computer science, a tree is a widely used abstract data type (ADT)—or data structure implementing this ADT—that simulates a hierarchical tree structure, with a root value and subtrees of children with a parent node, represented as a set of linked nodes.
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Two's complement
Two's complement is a mathematical operation on binary numbers, best known for its role in computing as a method of signed number representation.
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Type conversion
In computer science, type conversion, type casting, and type coercion are different ways of changing an entity of one data type into another.
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Type safety
In computer science, type safety is the extent to which a programming language discourages or prevents type errors.
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Type system
In programming languages, a type system is a set of rules that assigns a property called type to the various constructs of a computer program, such as variables, expressions, functions or modules.
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Type theory
In mathematics, logic, and computer science, a type theory is any of a class of formal systems, some of which can serve as alternatives to set theory as a foundation for all mathematics.
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Union (set theory)
In set theory, the union (denoted by ∪) of a collection of sets is the set of all elements in the collection.
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Union type
In computer science, a union is a value that may have any of several representations or formats within the same position in memory; or it is a data structure that consists of a variable that may hold such a value.
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Value (computer science)
In computer science, a value is the representation of some entity that can be manipulated by a program.
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Value (mathematics)
In mathematics, value may refer to several, strongly related notions.
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Variable (computer science)
In computer programming, a variable or scalar is a storage location (identified by a memory address) paired with an associated symbolic name (an identifier), which contains some known or unknown quantity of information referred to as a value.
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Variant type
Variant is a data type in certain programming languages, particularly Visual Basic, OCaml, Delphi and C++ when using the Component Object Model.
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Word (computer architecture)
In computing, a word is the natural unit of data used by a particular processor design.
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32-bit
32-bit microcomputers are computers in which 32-bit microprocessors are the norm.
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References
[1] https://en.wikipedia.org/wiki/Data_type
