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Syntactic entity in a programming language with a determinable value
In computer science, an expression is a syntactic entity in a programming language that may be evaluated to determine its value of a specific semantic
Expression_(computer_science)
Expression in a computer program
In computer science, a Boolean expression (also known as logical expression) is an expression used in programming languages that produces a Boolean value
Boolean_expression
This glossary of computer science is a list of definitions of terms and concepts used in computer science, its sub-disciplines, and related fields, including
Glossary_of_computer_science
Topics referred to by the same term
of an individual person Expression (mathematics), a symbolic description of a mathematical object Expression (computer science), an instruction to execute
Expression
Scientific area at the interface between computer science and mathematics
and software for manipulating mathematical expressions and other mathematical objects. Although computer algebra could be considered a subfield of scientific
Computer_algebra
Expression in computer science which cannot be evaluated further
In computer science and software programming, a value is the representation of some entity that can be manipulated by a program. The members of a type
Value_(computer_science)
Of a function, an additional effect besides returning a value
In computer science, an operation or expression is said to have a side effect if it has any observable effect other than its primary effect of reading
Side effect (computer science)
Side_effect_(computer_science)
Sequence of characters that forms a search pattern
Regular expression techniques are developed in theoretical computer science and formal language theory. The concept of regular expressions began in the
Regular_expression
Study of computation
of computer science Computer science is the study of computation, information, and automation. Included broadly in the sciences, computer science spans
Computer_science
Data serialization format
In computer programming, an S-expression (or symbolic expression, abbreviated as sexpr or sexp) is an expression in a like-named notation for nested list
S-expression
Programming language construct specifying an identifier's properties
Visual Basic's "Option Explicit"). Expression (computer science) Initialization (programming) Scope (computer science) Semantics (programming languages)
Declaration (computer programming)
Declaration_(computer_programming)
Concept in computer science
In computer science, a "let" expression associates a function definition with a restricted scope. The "let" expression may also be defined in mathematics
Let_expression
Overview of and topical guide to computer science
Computer science (also called computing science) is the study of the theoretical foundations of information and computation and their implementation and
Outline_of_computer_science
Named container for a particular type of data
Computer programming portal Attribute (object-oriented programming) Class (programming) Control variable (programming) Dynamic variable Expression (computer
Variable (high-level programming language)
Variable_(high-level_programming_language)
Topics referred to by the same term
bound to an identifier. Lambda expression in lambda calculus, a formal system in mathematical logic and computer science for expressing computation by
Lambda_expression
Specification of a conceptualization
Knowledge Sharing" by Tom Gruber used ontology as a technical term in computer science closely related to earlier idea of semantic networks and taxonomies
Ontology (information science)
Ontology_(information_science)
The history of computer science began long before the modern discipline of computer science, usually appearing in forms like mathematics or physics. Developments
History_of_computer_science
The philosophy of computer science is concerned with the philosophical questions that arise within the study of computer science. There is still no common
Philosophy of computer science
Philosophy_of_computer_science
computer science awards List of computer science journals List of computer scientists List of Internet pioneers List of pioneers in computer science List
List of pioneers in computer science
List_of_pioneers_in_computer_science
Symbolic description of a mathematical object
equivalence of two lambda expressions is undecidable (but see unification (computer science)). This is also the case for the expressions representing real numbers
Expression_(mathematics)
Algorithmic process of solving equations
and computer science, specifically automated reasoning, unification is an algorithmic process of solving equations between symbolic expressions, each
Unification (computer science)
Unification_(computer_science)
Sequence of characters, data type
formal languages, which are used in mathematical logic and theoretical computer science, a string is a finite sequence of symbols that are chosen from a set
String_(computer_science)
Software that provides access that hides details
abstractions (computer science) Refinement for the opposite of abstraction in computing Indirection Integer (computer science) Heuristic (computer science) Colburn
Abstraction (computer science)
Abstraction_(computer_science)
Subfield of computer science and mathematics
Theoretical computer science is a subfield of computer science and mathematics that focuses on the abstract and mathematical foundations of computation
Theoretical_computer_science
Section of code that details a specific command
In computer programming, a statement is a syntactic unit of an imperative programming language that expresses some action to be carried out. [vague] A
Statement_(computer_science)
International computer science competition
Computer Science League, is an international computer science competition among more than 300 schools. Founded in 1978 as the Rhode Island Computer Science
American Computer Science League
American_Computer_Science_League
Advanced Placement course and exam
Advanced Placement (AP) Computer Science Principles (also known as AP CSP) is an AP Computer Science course and examination offered by the College Board
AP Computer Science Principles
AP_Computer_Science_Principles
Formal language that can be expressed using a regular expression
defined by a regular expression, in the strict sense in theoretical computer science (as opposed to many modern regular expression engines, which are augmented
Regular_language
Form of automatic memory management
In computer science, garbage collection (GC) is a form of automatic memory management. The garbage collector attempts to reclaim memory that was allocated
Garbage collection (computer science)
Garbage_collection_(computer_science)
Method of symbol substitution
In computer science, a production or production rule is a rewrite rule that replaces some symbols with other symbols. A finite set of productions P {\displaystyle
Production_(computer_science)
Control flow statement that branches according to a Boolean expression
In computer programming, a conditional statement directs program control flow based on the value of a condition; a Boolean expression. A conditional expression
Conditional (computer programming)
Conditional_(computer_programming)
Computer science textbook
Structure and Interpretation of Computer Programs (SICP) is a computer science textbook by Massachusetts Institute of Technology professors Harold Abelson
Structure and Interpretation of Computer Programs
Structure_and_Interpretation_of_Computer_Programs
List of unsolved computational problems
article is a list of notable unsolved problems in computer science. A problem in computer science is considered unsolved when no solution is known or
List of unsolved problems in computer science
List_of_unsolved_problems_in_computer_science
Programming language family
of the earliest programming languages, Lisp pioneered many ideas in computer science, including tree data structures, automatic storage management, dynamic
Lisp_(programming_language)
Attribute of data
In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible
Data_type
American computer scientist known for Unix (born 1943)
Kenneth Lane Thompson (born February 4, 1943) is an American pioneer of computer science. Thompson worked at Bell Labs for most of his career where he designed
Ken_Thompson
Mathematical software
computer algebra system (CAS) or symbolic algebra system (SAS) is any mathematical software with the ability to manipulate mathematical expressions in
Computer_algebra_system
Programming language
Xanalys Education Massachusetts Institute of Technology (MIT) MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) Stanford Artificial
Flavors (programming language)
Flavors_(programming_language)
Use of functions that call themselves
In computer science, recursion is a method of solving a computational problem where the solution depends on solutions to smaller instances of the same
Recursion_(computer_science)
Domain specific computer language
An expression language is a computer language for creating a machine readable representation of specific domain knowledge. Examples include: Advanced
Expression_language
American scientist (1927–2011)
John McCarthy (September 4, 1927 – October 24, 2011) was an American computer scientist and cognitive scientist. He was one of the founders of the discipline
John McCarthy (computer scientist)
John_McCarthy_(computer_scientist)
Composite data type
In computer science, a record (also called a structure, struct, user-defined type (UDT), or compound data type) is a composite data structure – a collection
Record_(computer_science)
Setting or re-setting the value associated with a variable name
In most imperative programming languages, the assignment statement (or expression) is a fundamental construct. Today, the most commonly used notation for
Assignment_(computer_science)
Rule for substituting a set input with a set output
In computer programming, a macro (short for "macro instruction"; from Greek μακρο- 'long, large') is a rule or pattern that specifies how a certain input
Macro_(computer_science)
Solving symbolic inequations
Dis-unification, in computer science and logic, is an algorithmic process of solving inequations between symbolic expressions. Alain Colmerauer (1984)
Dis-unification
Breadth of ideas which can be represented in a formal language
In computer science, the expressive power (also called expressiveness or expressivity) of a language is the breadth of ideas that can be represented and
Expressive power (computer science)
Expressive_power_(computer_science)
Concept in mathematics or computer science
disciplines involving formal languages, including mathematical logic and computer science, a variable may be said to be either free or bound. Some older books
Free variables and bound variables
Free_variables_and_bound_variables
Programming language concept
In computer programming, type variance is the relationship between subtypes of a composite type (e.g. List[Int]) and the subtypes of its components (e
Type_variance
Process where an interactive system adapts its behaviour to individual users
Adaptation in computer science is a process where an interactive system (adaptive system) adapts its behaviour to individual users based on information
Adaptation_(computer_science)
Basic unit of a data structure
Roselyn (2013). Barron's AP Computer Science A. Barron's. ISBN 978-1-4380-0152-4. "Simply Scheme: Introducing Computer Science ch 18: Trees". College Of
Node_(computer_science)
Specialist field of computer science
specifically the computer sciences, which uses advanced computing capabilities to understand and solve complex physical problems in science. While this typically
Computational_science
Processing of natural language by a computer
the processing of natural language information by a computer. NLP is a subfield of computer science and is closely associated with artificial intelligence
Natural_language_processing
Concept in computer science
In computer programming, a guard is a Boolean expression that must evaluate to true if the execution of the program is to continue in the branch in question
Guard_(computer_science)
Technique for creating lexically scoped first class functions
Programming. Lecture Notes in Computer Science. Vol. 7829. Springer. pp. 1–20 See 12 §2, note 8 for the claim about M-expressions. doi:10.1007/978-3-642-40447-4_1
Closure (computer programming)
Closure_(computer_programming)
In computer science, arrows or bolts are a type class used in computer programming to describe computations in a pure and declarative fashion. First proposed
Arrow_(computer_science)
Emotion modeling in AI
affects. It is an interdisciplinary field spanning computer science, psychology, and cognitive science. While some core ideas in the field may be traced
Affective_computing
Human–computer interaction (HCI) is the process through which people operate and engage with computer systems. Research in HCI covers the design and the
Human–computer_interaction
Temporary context for interactive information interchange
enabling interactive expression and information exchange between two or more communication devices or ends – be they computers, automated systems, or
Session_(computer_science)
In computer science, algebraic semantics is a formal approach to programming language theory that uses algebraic methods for defining, specifying, and
Algebraic semantics (computer science)
Algebraic_semantics_(computer_science)
Canadian computer scientist (born 1941)
Canadian computer scientist best known for his work on programming languages, compilers, and related algorithms, and his textbooks on the art and science of
Alfred_Aho
Data abstraction problem in programming languages
The expression problem is a problem in programming languages that concerns the extensibility and modularity of statically typed data abstractions. The
Expression_problem
Mathematics notation where operators follow operands
the HP-35 are the most efficient way known to computer science for evaluating mathematical expressions. […] HP-42S RPN Scientific Calculator – Owner's
Reverse_Polish_notation
Expression of the face
palsy Body language Computer processing of body language Facial expression capture Facial expression databases Facial expression detection Facial recognition
Facial_expression
Topics referred to by the same term
are polynomials. A regular expression, also known as rational expression, used in formal language theory (computer science) rational number rational (disambiguation)
Rational_expression
Formal methods terminology
In computer science, reification is the process by which an abstract idea about a program is turned into an explicit data model or other object created
Reification (computer science)
Reification_(computer_science)
Result of multiplying types in type theory
T2, ..., TN). Product (category theory) Cartesian product Record (computer science) Struct (C programming language) Sum type Quotient type product type
Product_type
Changing an expression from one data type to another
In computer science, type conversion, type casting, type coercion, and type juggling are different ways of changing an expression from one data type to
Type_conversion
Instructions a computer can execute
A computer program is a sequence or set of instructions in a programming language for a computer to execute. It is one component of software, which also
Computer_program
Multiword Expressions: A Pain in the Neck for NLP[dead link] (2002) in: LECTURE NOTES IN COMPUTER SCIENCE, Vol. 2276, pp. 1–15. Multiword Expression Project
Multiword_expression
Polish-Canadian computer scientist (1935–2019)
Polish-Canadian computer scientist and Distinguished Professor Emeritus at the University of Waterloo's David R. Cheriton School of Computer Science. In 1962
Janusz Brzozowski (computer scientist)
Janusz_Brzozowski_(computer_scientist)
Graphics created using computers
film as computer generated imagery (CGI). The non-artistic aspects of computer graphics are the subject of computer science research. Computer graphics
Computer_graphics
Object of a mathematical operation, quantity on which an operation is performed
Unknown operands in equalities of expressions can be found by equation solving. The following arithmetic expression shows an example of operators and
Operand
Topics referred to by the same term
learning resources about Variable Variable may refer to: Variable (computer science), a symbolic name associated with a value and whose associated value
Variable
Computation which does not terminate or terminates in an exceptional state
In computer science, a computation is said to diverge if it does not terminate or terminates in an exceptional state. Otherwise it is said to converge
Divergence_(computer_science)
Computer Vision. 127 (6–7): 907–929. arXiv:1804.10938. doi:10.1007/s11263-019-01158-4. S2CID 13679040. Kollias, D.; Zafeiriou, S. (2019). "Expression
List of facial expression databases
List_of_facial_expression_databases
Sequence of characters that identifies a location within source code
statement. A case label consists of the keyword case, followed by an expression that evaluates to integer constant. A default label consists of the keyword
Label_(computer_science)
Art of creating moving images using computers
moving images, while computer animation only refers to moving images. Modern computer animation usually uses 3D computer graphics. Computer animation is a digital
Computer_animation
Variable that represents an argument to a function
defines its parameters. A call invocation involves evaluating each argument expression of a call and associating the result with the corresponding parameter
Parameter (computer programming)
Parameter_(computer_programming)
Systematic endeavour to gain knowledge
societies. While referred to as the formal sciences, the study of logic, mathematics, and theoretical computer science are typically regarded as separate because
Science
Property of operations
/ˈaɪdəm-/) is the property of certain operations in mathematics and computer science whereby they can be applied multiple times without changing the result
Idempotence
Algorithm to transform a regular expression into a finite automaton
In computer science, Thompson's construction algorithm, also called the McNaughton–Yamada–Thompson algorithm, is a method of transforming a regular expression
Thompson's_construction
Branch of philosophy
representational system and consciousness, cognitive science, computer science, information science and information technology. It includes: the critical
Philosophy_of_information
Topics referred to by the same term
manipulating mathematical expressions and other mathematical objects Computational science, constructing numerical solutions and using computers to analyze and solve
Computer_mathematics
Dialect of Lisp
programming languages. Scheme was created during the 1970s at the MIT Computer Science and Artificial Intelligence Laboratory (MIT CSAIL) and released by
Scheme_(programming_language)
In computer science, genetic memory refers to an artificial neural network combination of genetic algorithm and the mathematical model of sparse distributed
Genetic memory (computer science)
Genetic_memory_(computer_science)
Field of study of computational systems
Europe Council and Informatics Europe, informatics is synonymous with computer science and computing as a profession, in which the central notion is the transformation
Informatics
Language consisting of balanced strings of brackets
In the theory of formal languages of computer science, mathematics, and linguistics, a Dyck word is a balanced string of brackets. The set of Dyck words
Dyck_language
Algorithm to compare text strings using wildcard syntax
In computer science, an algorithm for matching wildcards (also known as globbing) is useful in comparing text strings that may contain wildcard syntax
Matching_wildcards
Electronic game with user interface and visual feedback
A video game, computer game, or simply game is an electronic game that involves interaction with a user interface or input device (such as a joystick,
Video_game
Computer vision technology
rules. Facial expression capture is similar to facial motion capture. It is a process of using visual or mechanical means to manipulate computer-generated
Facial_motion_capture
Mathematical operation that combines three elements to produce another element
elements of A and combines them to form a single element of A. In computer science, a ternary operator is an operator that takes three arguments as input
Ternary_operation
Number of digits needed to express a number in a particular base
In mathematics and computer science, optimal radix choice is the problem of choosing the base, or radix, that is best suited for representing numbers.
Optimal_radix_choice
American computer scientist; creator of Morris Worm; associate professor at MIT
joined the faculty in the department of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology (MIT), where he received
Robert_Tappan_Morris
Programming mechanism
In computer science, function composition is an act or mechanism to combine simple functions to build more complex ones. Like the usual composition of
Function composition (computer science)
Function_composition_(computer_science)
American computer scientist
Stephen Russell (born 1937), also nicknamed "Slug", is an American computer scientist most famous for creating Spacewar!, well known for being the first
Steve Russell (computer scientist)
Steve_Russell_(computer_scientist)
American mathematician
mathematician and computer scientist. He is a professor of computer science and engineering in the Department of Electrical Engineering and Computer Science at the
Hal_Abelson
Computer programming language
and can be used to teach all computer science concepts, as UC Berkeley lecturer Brian Harvey did in his Computer Science Logo Style trilogy. Logo is usually
Logo_(programming_language)
Traditional first example of a computer programming language
A "Hello, world" program is usually a simple computer program that displays on the screen (often the console) a message similar to "Hello, world". A small
Hello,_world
Academic subfield of computer science
In theoretical computer science and mathematics, the theory of computation is the branch that deals with what problems can be solved on a model of computation
Theory_of_computation
Canadian computer scientist (born 1942)
professor of computer science at Princeton University since 2000 and is the director of undergraduate studies in the department of computer science. In 2015
Brian_Kernighan
EXPRESSION COMPUTER-SCIENCE
EXPRESSION COMPUTER-SCIENCE
Girl/Female
Indian
Expressions
Boy/Male
Muslim
Expression
Boy/Male
Tamil
Computer
Girl/Female
Indian
Expressions
Boy/Male
Indian
Expression
Boy/Male
Celebrity, Gujarati, Hindu, Indian, Kannada, Telugu
Art of Expressing Acting; Expression
Girl/Female
Hindu, Indian
Expressions
Boy/Male
Arabic, Muslim, Pashtun
Expression
Girl/Female
Tamil
Expressions
Girl/Female
Tamil
Abbynayha | அபà¯à®ªà¯à®¯à¯à®¨à®¾à®¯à¯à®¹à®¾
Expressions
Abbynayha | அபà¯à®ªà¯à®¯à¯à®¨à®¾à®¯à¯à®¹à®¾
Girl/Female
Muslim/Islamic
Grace Expression
Girl/Female
Sikh
Expression
Boy/Male
Hindu
Computer
Girl/Female
Indian
Face, Warm expression
Boy/Male
Tamil
Expression
Boy/Male
Arabic, Muslim, Sindhi
Expression; Countenance; Border
Girl/Female
Tamil
Cheerful expression
Girl/Female
Tamil
Expression
Boy/Male
Indian, Sanskrit
Expression
Girl/Female
Indian
Cheerful expression
EXPRESSION COMPUTER-SCIENCE
EXPRESSION COMPUTER-SCIENCE
Boy/Male
Hindu
Lord Shiva
Girl/Female
Tamil
Paramjyothi | பரமà¯à®œà¯à®¯à¯‹à®¤à¯€
Goddess durga.greatest splendor
Boy/Male
American, Biblical, British, English, Irish
Little Twin; Twin
Boy/Male
Arabic
Servant of the comforter.
Girl/Female
Welsh
Tower.
Girl/Female
Christian & English(British/American/Australian)
Tenderly Beloved
Girl/Female
German, Hindu, Indian
Holy Book of Buddhists; Mosquito
Boy/Male
Hindu, Indian, Sanskrit
The Man-lion; Fourth Incarnation of Vishnu
Girl/Female
Arabic, Muslim
One who Praises
Girl/Female
Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Camphor
EXPRESSION COMPUTER-SCIENCE
EXPRESSION COMPUTER-SCIENCE
EXPRESSION COMPUTER-SCIENCE
EXPRESSION COMPUTER-SCIENCE
EXPRESSION COMPUTER-SCIENCE
a.
Full of expression; vividly representing the meaning or feeling meant to be conveyed; significant; emphatic; as, expressive looks or words.
v. t.
To exchange; to put or substitute something else in place of, as a smaller penalty, obligation, or payment, for a greater, or a single thing for an aggregate; hence, to lessen; to diminish; as, to commute a sentence of death to one of imprisonment for life; to commute tithes; to commute charges for fares.
n.
One who computes.
n.
A computer.
n.
A sense of heaviness or obstruction in the body or mind; depression; dullness; lassitude; as, an oppression of spirits; an oppression of the lungs.
n.
A preparation of fruit in sirup in such a manner as to preserve its form, either whole, halved, or quartered; as, a compote of pears.
pl.
of Expressman
n.
The act of repressing, or state of being repressed; as, the repression of evil and evil doers.
n.
Lively or vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression.
v. i.
To pay, or arrange to pay, in gross instead of part by part; as, to commute for a year's travel over a route.
a.
Of, or relating to, expression; phraseological; also, vividly representing or suggesting an idea or sentiment.
n.
The act of declaring or signifying; declaration; utterance; as, an expression of the public will.
imp. & p. p.
of Compete
n.
A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase; as, a common expression; an odd expression.
imp. & p. p.
of Compute
n.
A composer or compiler of hymns; one versed in hymnology.
n.
One who commutes; especially, one who commutes in traveling.
n.
The act of expressing; the act of forcing out by pressure; as, the expression of juices or oils; also, of extorting or eliciting; as, a forcible expression of truth.
imp. & p. p.
of Commute
n.
The act of expressing; expression; utterance; representation.