Computing and communication
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C
- C alternative tokensC alternative tokens refer to a set of alternative spellings of common operators in the C
- C dynamic memory allocationDynamic memory management in the C programming language
- C mathematical functionsC mathematical operations are a group of functions in the standard library of the C progra
- C POSIX libraryC language standard library specifically for POSIX systems
- C Sharp (programming language)General-purpose programming language
- C Sharp 3.0Version of the C# programming language
- C Sharp 4.0Version of the C# programming language
- C shellUnix shell
- C standard libraryStandard library for the C programming language
- C-OneSingle-board computer
- C-SKYC-SKY is a RISC-based 32-bit architecture developed by C-SKY Microsystems, a subsidiary of
- C++General-purpose programming language
- C++ AMPC++ Accelerated Massive Parallelism (C++ AMP) is a native programming model that contains
- C++ classesType of data structure
- C++/CXC++/CX (C++ component extensions) is a language projection for Microsoft's Windows Runtime
- C++/WinRTC++/WinRT is a C++ library for Microsoft's Windows Runtime platform, designed to provide a
- C++112011 edition of the C++ programming language standard
- C++14C++14 is a version of the ISO/IEC 14882 standard for the C++ programming language. It is i
- C10k problemComputer networking optimization problem
- C99C programming language standard, 1999 revision
- Cable & Wireless CommunicationsLatin American communications operator
- Cable landing pointLocation where a submarine cable or other underwater cable makes landfall
- Cable modemBroadband Internet access device
- Cable telephonyCable telephony is a form of digital telephony over cable TV type networks. A telephone in
- CAcert.orgCertificate authority
- Cache (computing)Additional storage that enables faster access to main storage
- Cache coherenceEquivalence of all cached copies of a memory location
- Cache pollutionPerformance degration due to memory access patterns
- Cache prefetchingCache prefetching is a technique used by computer processors to boost execution performanc
- Cacti (software)Free open source RRDtool
- Cadence SKILLSKILL is a Lisp dialect used as a scripting language and PCell (parameterized cells) descr
- CadixCadix was a World War II clandestine intelligence center at Uzès, in southern France, from
- Caesar cipherSimple and widely known encryption technique
- Cairo (graphics)Vector graphics-based software library
- CakePHPOpen-source web framework in PHP
- Cal (command)Shell command for printing a calendar
- Calculator (Apple)Calculator application on Apple systems
- Calculator watchA calculator watch is a digital watch with a built-in calculator, usually including button
- Calculus of communicating systemsThe calculus of communicating systems (CCS) is a process calculus introduced by Robin Miln
- Calendar (Apple)Personal calendar application for macOS and iOS by Apple
- California Online Privacy Protection ActState law in the United States
- Call centreOffice dealing with a large volume of enquiries by telephone
- Call detail recordRecord that documents a telephone call
- Call graphStructure that represents calling relationships between subroutines in a computer program
- Call stackData structure used in computer programs
- Call waitingTelephone service feature
- Call-progress toneTelephony signal
- Call-with-current-continuationControl flow operator in functional programming
- Caller ID spoofingPhone caller faking the phone number sent to the recipient of a phone call
- CalligraBusiness software
- Calling conventionMechanism of function calls in computers
- Calvin MooersCalvin Northrup Mooers (October 24, 1919 – December 1, 1994), was an American computer sci
- Cambridge Analytica2013–2018 British political consulting firm
- CamcorderVideo camera with built-in video recorder
- Camellia (cipher)Feistel network based block cipher
- CamfectingForm of hacking
- Canadian Internet Registration AuthorityCanada's .CA registry
- Canadian privacy lawPrivacy law in Canada
- Candidate keySet of columns in a relational database
- Cannon Lake (microprocessor)Intel processor family
- Canny edge detectorImage edge detection algorithm
- Canonical Huffman codeStandardized representation of a Huffman code
- Canonical LR parserAlgorithm used to analyze and process programming languages
- CANTAT-3Canadian transatlantic telecommunications cable
- CantennaAntenna built with a metal can
- Canvas elementHTML element
- Canvas fingerprintingBrowser fingerprinting technique
- CAP computerThe Cambridge CAP computer was the first successful experimental computer that demonstrate
- CAP theoremNeed to sacrifice consistency or availability in the presence of network partitions
- Capability Maturity Model IntegrationProcess level improvement training and appraisal program
- Capability-based securityComputer safety concept
- Capacitive sensingTechnology in electrical engineering
- Capitalization of InternetConventions for capitalizing word
- Capitol Records, LLC v. ReDigi Inc.US District Court case concerning copyright infringement
- Caps LockComputer key that forces typing in all-capitals
- Carbon (API)Application programming interface (API)
- Carbon nanotube computerCarbon nanotube computers are a class of experimental computing processors constructed fro
- Card catalog (cryptology)The card catalog, or "catalog of characteristics," in cryptography, was a system designed
- Card readerData input device
- Caret navigationType of computer keyboard navigation
- Caret notationNotation for control characters; consists of a caret (^) and a letter
- Carl Adam PetriGerman mathematician (1926–2010)
- Carlo GhezziCarlo Ghezzi is an emeritus professor and former chair of software engineering at the Poli
- Carna botnetBotnet used to census the entire IPv4 internet
- Carnivore (software)Electronic communication monitor used by the FBI
- Carriage returnReset to the beginning of a line of text
- Carrier telephonyAnalog multiplexing technique used in early telephone systems
- Carrier waveSinusoidal wave without any modulation
- Carry-lookahead adderArithmetic logic circuit
- Carry-save adderType of digital adder
- Carry-select adderDigital circuit implementation method
- Carry-skip adderArithmetic logic circuit
- CAS latencyTime delay between data read command and availability of data in a computer's RAM
- Cash on deliveryMethod of package delivery where payment is made upon receipt
- Cash registerDevice to register and calculate retail sales
- Cassegrain antennaType of parabolic antenna with a convex secondary reflector
- Cassette tapeMagnetic audio tape recording format
- CAST-128Block cipher
- CAST-256In cryptography, CAST-256 (or CAST6) is a symmetric-key block cipher published in June 199
- Cat (Unix)Shell command for writing an input file or stream to standard output
- CAT-iqCordless Advanced Technology—internet and quality (CAT-iq) is a technology initiative from
- CatamorphismHomomorphism from an initial algebra into another algebra
- CatBoostOpen-source software library developed by Yandex
- Category 3 cableUnshielded twisted pair cable used in telephone wiring
- Category 5 cableUnshielded twisted pair communications cable
- Category 6 cableStandardized data communications cable
- Caucasus Cable SystemThe Caucasus Cable System (unofficially also designated as the Bulgaria–Georgia communicat
- Causal layered analysisTechnique used in strategic planning and futurology
- Cave automatic virtual environmentImmersive virtual reality environment
- CaviumCavium, Inc. was a fabless semiconductor company based in San Jose, California, specializi
- Cayman Islands Society of Professional AccountantsThe Cayman Islands Society of Professional Accountants (CISPA) is a professional associati
- CBC-MACMessage authentication code algorithm
- CCleanerSuite of utilities for cleaning disk and operating system environment
- CCM modeAuthenticated encryption mode for block ciphers
- CD playerElectronic device that plays audio compact discs
- CD VideoHybrid analog video/digital audio format
- CD-iInteractive multimedia and video gaming standard
- CD-RRecordable optical disc specification
- CD-ROMPre-pressed compact disc containing computer data
- CD-RWOptical disk technology
- CD-TextCD-Text is an extension of the Red Book Compact Disc specifications standard for audio CDs
- CDC 6000 seriesFamily of 1960s mainframe computers
- CDC 6600Mainframe computer by Control Data
- CDC 76001967 supercomputer
- CDC CyberRange of mainframe-class supercomputers
- CDemuCDemu is a free and open-source virtual drive software, designed to emulate an optical dri
- CDRollerCDRoller is a utility for CD and DVD data recovery. It supports a wide set of CD and DVD f
- CE-HTMLCE-HTML is an XHTML-based standard for designing webpages with remote user interfaces for
- Cecilia R. AragonAmerican computer scientist, author, and aerobatic pilot
- CEGUICrazy Eddie's GUI (CEGUI) is a graphical user interface (GUI) library for the programming
- CeleronLine of discontinued microprocessors made by Intel
- Cell (processor)Multi-core microprocessor microarchitecture
- Cell BroadcastMethod of sending messages to multiple mobile phone users
- Cell siteCommunications equipment location
- Cellular networkTelecommunications networks transmitted by radio waves
- Cellular neural networkParallel computing paradigm
- Censorship by countryCensorship by country collects information on censorship, Internet censorship, freedom of
- Censorship by FacebookFacebook has been involved in multiple controversies involving censorship of content, remo
- Censorship in South AsiaCensorship in South Asia can apply to books, movies, the Internet and other media. Censors
- Censorship in the United StatesIn the United States, censorship involves the suppression of speech or public communicatio
- Censorship of WikipediaWikipedia has been censored by a number of governments, including, but not limited to, tho
- Censorship of YouTubeCensorship of video-sharing platform YouTube occurs to varying degrees in many countries.
- Center for Copyright InformationThe Center for Copyright Information (CCI) is an American organization focused on advocacy
- Central Security ServiceUnited States Department of Defense government agency
- Centre for International Governance InnovationThe Centre for International Governance Innovation (CIGI, pronounced "see-jee") is an inde
- CentrexCentrex is a portmanteau of central exchange, a kind of telephone exchange. It provides fu
- Centrum Wiskunde & InformaticaDutch research institute
- Ceramic capacitorFixed-value capacitor using ceramic
- CERN httpdEarly web server
- CERT Coordination CenterInternet governance organization
- Certificate authorityEntity that issues digital certificates
- Certificate revocationDistrust of compromised certificates
- Certificate TransparencySystem of public logs of digital certificates
- CertificationFormal attestation of certain characteristics of an object, person, or organization
- Certification of voting machinesVarious governments require a certification of voting machines.
- Certified ethical hackerComputer security qualification
- Certified Information Systems Security ProfessionalInformation security certification
- Cerulean TowerThe Cerulean Tower (セルリアンタワー, Serurian Tawā) is a skyscraper in Shibuya, Tokyo, Japan. It
- Chad (paper)Chad refers to fragments sometimes created when holes are made in a paper, card or similar
- Chain loadingChain loading is a method used by computer programs to replace the currently executing pro
- ChainerMachine learning software
- Challenge–response authenticationType of authentication protocol
- Chandy–Lamport algorithmAlgorithm used in distributed computing
- Change controlWithin quality management systems (QMS) and information technology (IT) systems, change co
- Channel access methodMeans for multiple terminals to communicate over one medium
- Channel capacityInformation-theoretical limit on transmission rate in a communication channel
- Chaos Communication CongressAnnual hacker meeting
- Chaos Computer ClubHacker organization based in Germany
- Character (computing)Symbols encoded in computers to make text
- Character (symbol)Character as a semiotic sign or symbol
- Character encodings in HTMLUse of encoding systems for international characters in HTML
- Character.aiAI chatbot service
- Charles BachmanAmerican computer scientist
- Charles GoldfarbAmerican computer scientist and lawyer
- Charles H. Bennett (physicist)American physicist, information theorist, and IBM Research fellow
- Charles H. MooreAmerican computer engineer (born 1938)
- Charles KatzCharles Abraham Katz (July 7, 1927 – May 9, 1974) was an American mathematician and comput
- Charles P. ThackerAmerican computer scientist
- Charlie Miller (security researcher)American computer security researcher
- Charlotte Davis MooersAmerican computer scientist
- Chartered Semiconductor ManufacturingChartered Semiconductor Manufacturing, Inc. (CSM), was a Singaporean semiconductor company
- ChatbotConversational software
- ChatGPTGenerative AI chatbot by OpenAI
- Check digitError detection for identification numbers
- ChecklistAide-memoire to ensure consistency and completeness in carrying out a task
- ChecksumData used to detect errors in other data
- Cheque fraudCheque fraud or check fraud (American English) refers to a category of criminal acts that
- CherryPyWeb application framework
- Chess engineComputer program for chess analysis and game
- ChgrpShell command for changing the group of a file
- Chief content officerCorporate executive responsible for digital media creation and publication
- Chief digital officerHighest-ranking officer over digital operations
- Chief information security officerOrganizational executive role
- Chief police officerIn the United Kingdom, a chief police officer is the most senior police officer in a polic
- Chief web officerCorporate executive responsible for an organisation's web presence
- Child processComputing process created by another process
- Children's Online Privacy Protection Act2000 American federal cyber law
- China Internet Illegal Information Reporting CenterChinese government body
- China TelecomState-owned long-distance data transmission firm
- China UnicomChinese state-owned enterprise
- Chinese censorship abroadThe People's Republic of China is widely alleged to engage in censorship, beyond its borde
- Chinese espionage in the United KingdomThe government of the People's Republic of China (PRC) and various organs of the Chinese C
- Chinese information operations and information warfareThe People's Republic of China (PRC) engages in information warfare through the People's L
- Chinese interference in the 2024 United States electionsThe Chinese Communist Party (CCP) and government of China interfered in the 2024 United St
- Chip MorningstarChip Morningstar is an American software architect, mainly for online entertainment and co
- ChipsetElectronic component to manage data flow of a CPU
- CHKDSKVerifies the data integrity of a storage volume
- ChmodShell command for changing access permissions of a file
- Chomsky normal formNotation for context-free formal grammars
- Christchurch CallCharitable foundation and 2019 summit
- Christiane FloydAustrian computer scientist
- Christmas Tree EXECFirst widely disruptive computer worm
- Christopher LockeChristopher Locke (November 12, 1947 – December 20, 2021) was an American business analyst
- ChromebitThe Chromebit is a stick PC running Google's ChromeOS. It is able to be plugged into any d
- ChromebookLaptop or tablet computer running ChromeOS
- ChromeOSLinux-based operating system developed by Google
- Chromium (web browser)Open-source web browser project
- ChromiumOSFree open-source operating system designed by Google
- ChromolithographyMethod for making multi-colour prints
- Chuck PeddleCharles Ingerham Peddle (November 25, 1937 – December 15, 2019) was an American electrical
- Church softwareSpecialized software for churches
- CICSIBM mainframe transaction monitor
- Cigarette smokers problemConcurrency problem in computer science
- CilkCilk, Cilk++, Cilk Plus and OpenCilk are general-purpose programming languages designed fo
- Cinder (programming library)Cinder is an open-source programming library designed to give the C++ language advanced vi
- Cinnamon (desktop environment)Desktop environment forked from GNOME 3
- CipherAlgorithm for encrypting and decrypting information
- Cipher runesCipher runes, or cryptic runes, are the cryptographical replacement of the letters of the
- Cipher suiteSet of algorithms that help secure a network connection
- CiphertextEncrypted information
- Ciphertext indistinguishabilityProperty of some cryptosystems
- Ciphertext stealingCryptographic algorithm
- Circuit diagramGraphical representation of an electrical circuit
- Circuit switchingTelecommunications connection selection method
- Circular bufferData structure in computer science
- Cisco 12000The Cisco 12000, also known as a Gigabit Switch Router or GSR, is a series of large networ
- Cisco ASRThe Cisco Aggregation Services Router (ASR) series of routers are modular routers produced
- Cisco certificationsCertifications offered by Cisco Systems
- Cisco IOSFamily of network operating systems by Cisco
- Cisco Nexus switchesThe Cisco Nexus series switches are modular and fixed port network switches designed for t
- CiteSeerXSearch engine and digital library for scientific and academic papers
- Citizen journalismJournalism genre
- Citizen mediaCitizen media is content produced by private citizens who are not professional journalists
- Citrix CloudCloud management service
- City of Gold CoastThe City of Gold Coast is the local government area spanning the Gold Coast, Queensland, A
- CityFibreBritish network provider
- Civil enforcement officerA civil enforcement officer (CEO or colloquially traffic warden, parking enforcement offic
- Civilian enforcement officerCivilian enforcement officers (CEOs) are either employees or authorised officers of His Ma
- CJK charactersCharacters in shared East Asian written tradition
- CJK Unified IdeographsEncoding for shared Han characters
- Cksumcksum is a command in Unix and Unix-like operating systems that generates a checksum value
- Clamshell designForm factor
- ClangCompiler front-end
- Clapper v. Amnesty International USA2013 United States Supreme Court case
- Clarion (programming language)Database language, released 1986
- Clarksfield (microprocessor)Clarksfield is the code name for an Intel processor, initially sold as mobile Intel Core i
- Class (programming)Computer programming structure used to create objects
- Class-based programmingClass-based programming, or more commonly class-orientation, is a style of object-oriented
- Classful networkEarly system for organizing the IPv4 address space
- Classic Mac OSApple operating systems from 1984 to 2001
- Classic Mac OS memory managementHistorically, the classic Mac OS used a form of memory management that has fallen out of f
- Classical cipherDisused cipher that was used historically
- Classified advertisingForm of advertising
- Classified informationMaterial that government claims requires confidentiality
- Classless Inter-Domain RoutingMethod for IP address allocation and routing
- Claude E. Shannon AwardThe Claude E. Shannon Award of the IEEE Information Theory Society was created to honor co
- Cleanfeed (content blocking system)Internet blocking system in the United Kingdom and Canada
- Cleanroom software engineeringSoftware design methodology
- ClearTypeFont-rendering technology by Microsoft
- ClevoClevo (Chinese: 藍天電腦; pinyin: Lántiān diànnǎo; lit. 'Blue Sky Computers') is a Taiwanese O
- Clevo x7200Laptop by Clevo
- Click fraudType of fraud in online advertising
- Click-through ratePercentage of views on a certain web page that made a desired click
- ClickbaitWeb content intended to entice users to click on a link
- ClickHouseOpen-source database management system
- ClickjackingMalicious technique of tricking a Web user
- ClickwrapUser prompt to accept a digital policy
- Client (computing)Piece of software accessing a server service
- Client honeypotHoneypots are security devices whose value lie in being probed and compromised. Traditiona
- Client-side encryptionType of encryption
- Client–server modelDistributed application structure in computing
- Clifford CocksClifford Christopher Cocks CB FRS (born 28 December 1950) is a British mathematician and c
- Clipboard (computing)Data storage for copy and paste operations
- Clipper chipEncryption device promoted by the NSA in the 1990s
- Clipping (computer graphics)Excluding certain graphical elements from being rendered in a scene
- CLIPSCLIPS (C Language Integrated Production System) is a public-domain software tool for build
- CLMUL instruction setCarry-less Multiplication (CLMUL) is an extension to the x86 instruction set used by micro
- ClobberClobber is an abstract strategy game invented in 2001 by combinatorial game theorists Mich
- Clock (cryptography)Method for decrypting German Enigma ciphers
- Clock generatorDevice used to synchronize a circuit
- Clock rateFrequency at which a CPU chip or core is operating
- Clock signalElectronic signal to synchronize circuits
- Clock skewClock skew (sometimes called timing skew) is a phenomenon in synchronous digital circuit s
- ClojureDialect of the Lisp programming language on the Java platform
- Clone (computing)In computing, a clone is hardware or software that is designed to function in exactly the
- Clos networkKind of multistage circuit-switching network
- Closed captioningProcess of displaying interpretive texts to screens
- Closed-world assumptionAssumption that what is not known to be true is false
- Closure (computer programming)Technique for creating lexically scoped first class functions
- Closure operatorMathematical operator
- Cloud computingForm of shared internet-based computing
- Cloud computing securityMethods used to protect cloud-based assets
- Cloud Data Management InterfaceCloud storage standard
- Cloud databaseDatabase running on a cloud computing platform
- Cloud gamingStreaming of video games as video to clients via cloud computing
- Cloud managementAspect of cloud computing products and services
- Cloud storageModel of computer data storage
- Cloud storage gatewayType of hybrid cloud storage device
- Cloud-computing comparisonThe following is a comparison of cloud-computing software and providers.
- CLU (programming language)Class-based programming language
- Cluster stateEntangled state of qubits
- Clustered file systemType of decentralized filesystem
- Clustering high-dimensional dataMethod of data analysis
- ClustrixClustrix, Inc. is a San Francisco-based private company founded in 2006 that developed a d
- Cmd.exeShell for Windows NT and other operating systems
- CMOSTechnology for constructing integrated circuits
- CMS-2CMS-2 is an embedded systems programming language used by the United States Navy. It was a
- Co-channel interferenceCo-channel interference or CCI is crosstalk from two different radio transmitters using th
- Coarray FortranCoarray Fortran (CAF), formerly known as F--, started as an extension of Fortran 95/2003 f
- Coaxial cableElectrical cable with concentric conductors
- COBITFramework created by ISACA for information technology (IT) management and IT governance
- COBOLProgramming language with English-like syntax
- Cobra (programming language)Cobra is a discontinued general-purpose, object-oriented programming language. Cobra is de
- Cốc CốcVietnamese web browser and search engine
- CockroachDBDistributed database management system
- Cocks IBE schemeIdentity based encryption system
- Cocktail shaker sortSorting algorithm
- Cocoa (API)MacOS framework
- COCONUT98Block cipher
- CODASYLInternational programming language consortium
- Codd's 12 rulesRelational database design
- Code (cryptography)Method used to encrypt a message
- Code and Other Laws of Cyberspace1999 book by Lawrence Lessig
- Code bloatProduction of unnecessarily long, slow or wasteful program code
- Code cleanupAspect of computer programming
- Code completionAutocompletion feature in IDEs
- Code coverageMetric for source code testing
- Code generation (compiler)Converting computer code into a machine readable form
- Code injectionComputer security exploit using injected code
- Code nameClandestine term
- Code ownershipControl over modifications to software code
- Code pageDated classifications of computing character sets
- Code pointNumerical value representing a character in a coded character set
- Code reuseUsing existing code in new software
- Code-division multiple accessChannel access method used by various radio communication technologies
- CodebaseCollection of source code maintained as a unit
- CodecDevice or software for encoding or decoding a digital data stream
- Codec 2Low-bitrate speech encoding format
- CodeGearCodeGear is a wholly owned division of Embarcadero Technologies. CodeGear develops softwar
- CodelobsterIntegrated development environment
- CodeWarriorCodeWarrior is an integrated development environment (IDE) published by NXP Semiconductors
- CodexHistorical ancestor of the modern book
- Coding best practicesInformal guidelines used by software developers
- Coding conventionsStandards and guidelines for writing code
- Coffee LakeEighth-generation Intel Core microprocessor family
- CoffeeScriptProgramming language which compiles to JavaScript
- Coffman–Graham algorithmMethod for partitioning partial orders into levels
- Cognitive semanticsTopic in the field of cognitive linguistics
- Cohesion (computer science)In computer programming, cohesion refers to the degree to which the elements inside a modu
- CoinductionProof method in mathematical logic
- Cold start (recommender systems)Potential problem in computer-based information systems
- ColdFusion Markup LanguageScripting language for web development
- Colette RollandFrench computer scientist
- Collaborative e-democracyPolitical concept of an online, participatory policymaking process
- Collaborative filteringAlgorithm used by recommender systems
- Collaborative real-time editorA collaborative real-time editor is a type of collaborative software or web application wh
- Collaborative search engineCollaborative search engines (CSE) are web search engines and enterprise searches within c
- Collaborative softwareType of application software
- CollationAssembly of written information into a standard order
- Collection (abstract data type)Data type in computer science
- Collision attackCryptographic attack
- Collision resistanceProperty of cryptographic hash functions
- Colocation centreData centre where servers from multiple customers are located
- Color depthNumber of bits used to represent a color
- Color killerFiltering circuit in TV receivers
- Color managementControlled data conversion between the color representations of various devices
- Color televisionTelevision transmission technology
- ColorSyncSoftware API
- Colossus computerEarly British cryptanalysis computer
- Column (database)Data values in computer science
- Column (typography)Vertical block of content on a page
- COM fileType of simple executable file
- Comb sortInterval based sorting algorithm
- Combating Online Infringement and Counterfeits ActUnited States Senate Bill S.3804, known as the Combating Online Infringement and Counterfe
- Combinatorial explosionIn mathematics, a combinatorial explosion is the rapid growth of the complexity of a probl
- Combinatorial optimizationSubfield of mathematical optimization
- Comcast BusinessBusiness communications division of Comcast
- Command (computing)External instruction to a computer program
- Command patternBehavioral design pattern
- Command-line interfaceMeans of entering commands to software
- COMMAND.COMDefault command line for MS-DOS and Windows 9x
- Comment (computer programming)Text in computer source code that is generally ignored by a compiler/interpreter
- Commerce OneCommerce One, Inc. operated online auctions focused on B2B e-commerce. At the peak of the
- Commercial Internet eXchangeFormer internet exchange point
- Commercial softwareType of software
- Commercial use of Wikimedia projectsAny business or product selling content from Wikipedia or Wikimedia projects
- Commercialization of the InternetRunning online services principally for financial gain
- Commission on Elections data breachCyberattack against the Philippine electoral commission
- Commitment schemeCryptographic scheme
- Committee of the wholeA committee of the whole is a meeting of a legislative or deliberative assembly using proc
- Committee on National Security SystemsUS intergovernmental organization
- CommoditizationIn business literature, commoditization is defined as the process by which goods that have
- Commodore 16The Commodore 16 is a home computer made by Commodore International with a 6502-compatible
- Commodore 648-bit home computer introduced in 1982
- Commodore 64 peripheralsThe Commodore 64 home computer used various external peripherals. Due to the backwards com
- Commodore BASICBASIC programming language dialect
- Commodore busThe Commodore serial bus (IEC Bus), is Commodore's interface for primarily magnetic disk d
- Commodore InternationalHome computer and electronics manufacturer
- Commodore PETPersonal computer system
- Commodore REUMemory expansion technology
- Common carrierTerm in common law legal systems for transporters of goods/people
- Common CrawlNonprofit web crawling and archive organization
- Common CriteriaThe Common Criteria for Information Technology Security Evaluation (referred to as Common
- Common Desktop EnvironmentDesktop environment for Unix and OpenVMS
- Common Gateway InterfaceInterface between Web servers and external programs
- Common Hardware Reference PlatformSystem architecture for PowerPC-based computer systems
- Common Language RuntimeVirtual machine component of Microsoft's .NET framework
- Common LispProgramming language standard
- Common Vulnerabilities and ExposuresCatalog of information security problems
- Common Vulnerability Scoring SystemStandard for assessing computer system vulnerabilities
- Common-channel signalingIn telecommunications, common-channel signaling (CCS), or common-channel interoffice signa
- Common-mode signalVoltage common to both input terminals of an electrical device
- Commonsense knowledge (artificial intelligence)Facts assumed to be known to all humans
- Communication channelPhysical or logical connection used for transmission of information
- Communication protocolSystem for exchanging messages between computing systems
- Communication Theory of Secrecy Systems1949 paper by Claude Shannon
- Communications blackoutHalt to communication abilities or utilization
- Communications Decency Act1996 federal law attempting to regulate Internet pornography
- Communications in IndonesiaCommunications in Indonesia has a complex history due to the need to reach an extended arc
- Communications in IranIran's telecommunications industry is almost entirely state-owned, dominated by the Teleco
- Communications in JapanJapanese government body of communication
- Communications in UgandaThere are a number of systems of communication in Uganda, including a system of telephony,
- Communications securityDiscipline of telecommunications
- Communications Security EstablishmentCanadian cryptologic agency
- Communications systemAssembled components serving a common purpose for communications
- Community Broadband NetworkBritish social enterprise
- Community networkA community network is a computer-based system that is intended to help support (usually g
- Community safety accreditation schemeCommunity safety accreditation schemes enable the chief constable of a police force in the
- Comodo Internet SecurityInternet security software suite
- Compact discDigital optical disc data storage format
- Compact Disc Digital AudioData format used for audio compact discs
- Compact MacintoshA Compact Macintosh (or Compact Mac) is an all-in-one Apple Mac computer with a display in
- CompactFlashMemory card format
- CompandingTelecommunications and signal processing technique
- Compaq Deskpro 386PC compatible computers made by Compaq
- Compaq LTELine of laptop computers
- Compaq PortableEarly portable computer
- Compaq ProLineaSeries of computers by Compaq
- Comparison of accounting softwareThe following comparison of accounting software documents the various features and differe
- Comparison of audio player softwareThe following comparison of audio players compares general and technical information for a
- Comparison of BitTorrent clientsThe following is a general comparison of BitTorrent clients, which are computer programs d
- Comparison of bootloadersDifferent bootloaders
- Comparison of browser enginesThis article compares browser engines.
- Comparison of business integration softwareThis article is a comparison of notable business integration and business process automati
- Comparison of C Sharp and JavaThis article compares two programming languages: C# with Java. While the focus of this art
- Comparison of C Sharp and Visual Basic .NETComparison of two programming languages
- Comparison of cross-platform instant messaging clientsThe landscape for instant messaging involves cross-platform instant messaging clients that
- Comparison of database administration toolsThe following tables compare general and technical information for a number of available d
- Comparison of disk encryption softwareThis is a technical feature comparison of different disk encryption software.
- Comparison of DNS server softwareThis article presents a comparison of the features, platform support, and packaging of man
- Comparison of document markup languagesThe following tables compare general and technical information for a number of document ma
- Comparison of email clientsThe following tables compare general and technical features of notable standalone (offline
- Comparison of file hosting servicesThis is a comparison of notable file hosting services that are currently active. File host
- Comparison of file systemsThe following tables compare general and technical information for a number of computer fi
- Comparison of HTML5 and FlashModern HTML5 has feature-parity with the now-obsolete Adobe Flash. Both include features f
- Comparison of Java and C++Comparison between two programming languages
- Comparison of Linux distributionsTechnical variations of Linux distributions include support for different hardware devices
- Comparison of memory cardsThis table provides summary of comparison of various flash memory cards, as of 2025. Of me
- Comparison of mobile phone standardsThis is a comparison of standards of wireless networking technologies for devices such as
- Comparison of MS-DOS compatible operating systemsThis article details versions of MS-DOS, IBM PC DOS, and at least partially compatible dis
- Comparison of multi-paradigm programming languagesProgramming languages can be grouped by the number and types of paradigms supported.
- Comparison of object–relational database management systemsThis is a comparison of object–relational database management systems (ORDBMSs). Each syst
- Comparison of Office Open XML softwareThe Office Open XML format (OOXML), is an open and free document file format for saving an
- Comparison of open-source and closed-source softwareFree/open-source software – the source availability model used by free and open-source sof
- Comparison of open-source operating systemsThese tables compare free software / open-source operating systems. Where not all of the v
- Comparison of open-source wireless driversWireless network cards for computers require control software to make them function (firmw
- Comparison of operating systemsThese tables provide a comparison of operating systems, of computer devices, as listing ge
- Comparison of parser generatorsThis is a list of notable lexer generators and parser generators for various language clas
- Comparison of Pascal and CComparison of two programming languages
- Comparison of Pascal and DelphiProgramming language
- Comparison of programming languagesProgramming languages are used for controlling the behavior of a machine (often a computer
- Comparison of programming languages (algebraic data type)This article compares the syntax for defining and instantiating an algebraic data type (AD
- Comparison of programming languages (array)List of programming language comparisons
- Comparison of programming languages (associative array)This comparison of programming languages (associative arrays) compares the features of ass
- Comparison of programming languages (basic instructions)This article compares a large number of programming languages by tabulating their data typ
- Comparison of programming languages (list comprehension)List comprehension is a syntactic construct available in some programming languages for cr
- Comparison of programming languages (object-oriented programming)This comparison of programming languages compares how object-oriented programming language
- Comparison of programming languages (string functions)String functions are used in computer programming languages to manipulate a string or quer
- Comparison of programming languages (strings)This comparison of programming languages (strings) compares the features of string data st
- Comparison of programming languages (syntax)This article compares the syntax of many notable programming languages.
- Comparison of programming languages by type systemThis is a comparison of the features of the type systems and type checking of multiple pro
- Comparison of raster graphics editorsRaster graphics editors can be compared by many variables, including availability.
- Comparison of relational database management systemsThe following tables compare general and technical information for a number of relational
- Comparison of screencasting softwareThis page provides a comparison of notable screencasting software, used to record activiti
- Comparison of scrum softwareThis page compares software with specific support for the scrum framework. Although the fe
- Comparison of search enginesWeb search engines are listed in tables below for comparison purposes. The first table lis
- Comparison of shopping cart softwareThe following is a comparison of the features of notable shopping cart software packages a
- Comparison of structured storage softwareStructured storage is computer storage for structured data, often in the form of a distrib
- Comparison of TLS implementationsThe Transport Layer Security (TLS) protocol provides the ability to secure communications
- Comparison of Unicode encodingsThis article compares Unicode encodings in two types of environments: 8-bit clean environm
- Comparison of user features of messaging platformsComparison of user features of messaging platforms refers to a comparison of all the vario
- Comparison of video player softwareThe following comparison of video players compares general and technical information for n
- Comparison of Visual Basic and Visual Basic .NETVisual Basic .NET was released by Microsoft in 2002 as a successor to the original Visual
- Comparison of web browsersA web browser is an application that allows you to access and view websites and other cont
- Comparison of web server softwareWeb server software allows computers to act as web servers. The first web servers supporte
- Comparison of Windows Vista and Windows XPDifferences and similarities between Windows Vista and Windows XP
- Comparison shopping websiteVertical search engine
- Comparison sortType of sorting algorithm that works by comparing pairs of elements
- Compartmentalization (information security)Limiting access to information on a need-to-know basis
- Compatibility of C and C++Comparison of programming languages
- Compatible Time-Sharing SystemComputer operating system
- Competition aerobaticsCompetition aerobatics is an air sport in which ground-based judges rate the skill of pilo
- Competitive analysis (online algorithm)Method for analyzing online algorithms
- Competitive intelligenceCollection and analysis of business and market information from multiple sources
- Compilation errorComputer programming error
- Compile and go systemProgramming language processor
- Compiler-compilerProgram that generates parsers or compilers
- Complete-linkage clusteringComplete-linkage clustering is one of several methods of agglomerative hierarchical cluste
- Completely Fair SchedulerLinux process scheduler
- Complex instruction set computerProcessor with instructions capable of multi-step operations
- Complexity classSet of problems in computational complexity theory
- Complexity of constraint satisfactionThe complexity of constraint satisfaction is the application of computational complexity t
- Component Object ModelSoftware component technology from Microsoft
- Component-based software engineeringEngineering focused on building software from reusable components
- Composite entity patternComposite entity is a Java EE Software design pattern and it is used to model, represent,
- Composite keyCandidate key with two or more attributes in a database
- ComptometerKey-driven mechanical calculator
- CompuServe1969–2009 American online service provider
- ComputabilityAbility to solve a problem by an effective procedure
- Computational archaeologyArchaeological sub-discipline
- Computational complexityAmount of resources to perform an algorithm
- Computational creativityMultidisciplinary endeavour
- Computational Diffie–Hellman assumptionThe computational Diffie–Hellman (CDH) assumption is a computational hardness assumption a
- Computational geometryBranch of computer science
- Computational intelligenceComputer system simulating intelligence
- Computational lawComputational Law is the branch of legal informatics concerned with the automation of lega
- Computational linguisticsUse of computational tools for the study of linguistics
- Computational problemProblem a computer might be able to solve
- Computational RAMRandom-access memory with processing elements integrated on the same chip
- Computational trustGeneration of trusted authorities or user trust through cryptography
- Computer accessibilityAbility of a computer system to be used by all people
- Computer and network surveillanceMonitoring of computer or network activity
- Computer applianceA computer appliance is a computer system with a combination of hardware, software, or fir
- Computer architecture simulatorProgram that simulates the execution of computer architecture
- Computer artArt genre
- Computer AutomationComputer manufacturer
- Computer caseEnclosure that contains most of the computer hardware
- Computer chessComputer hardware and software capable of playing chess
- Computer clusterSet of computers configured in a distributed computing system
- Computer coolingProcess of removing waste heat from a computer
- Computer Crime and Intellectual Property SectionUnited States federal law enforcement agency
- Computer crime countermeasuresCyber crime, or computer crime, refers to any crime that involves a computer and a network
- Computer data storageStorage of digital data readable by computers
- Computer emergency response teamOrganization which responds to computer security incidents
- Computer fanA computer fan is any fan inside, or attached to, a computer case used for active cooling.
- Computer fontDigital description of a typographical font
- Computer forensicsBranch of digital forensic science
- Computer Fraud and Abuse Act1986 United States cybersecurity law
- Computer GoField of artificial intelligence around Go computer programs
- Computer graphics (computer science)Sub-field of computer science
- Computer graphics lightingComputer graphics lighting is the collection of techniques used to simulate light in compu
- Computer memoryComponent that stores information
- Computer multitaskingConcurrent execution of multiple processes
- Computer musicApplication of computing technology in music
- Computer network diagramSchematic of nodes and connections in a network
- Computer number formatInternal representation of numeric values in a digital computer
- Computer performanceAmount of useful work accomplished by a computer
- Computer port (hardware)Computerized hardware
- Computer programming in the punched card eraHistory of computer programming using punch cards
- Computer programs and the Patent Cooperation TreatyThere are two provisions in the regulations annexed to the Patent Cooperation Treaty (PCT)
- Computer scientistScientist specializing in computer science
- Computer security conferenceConvention for individuals involved in computer security
- Computer security incident managementIn the fields of computer security and information technology, computer security incident
- Computer security softwareComputer program for information security
- Computer terminalComputer input/output device for users
- Computer towerComputer case that stands vertically upright
- Computer trespassComputer crime involving unlawful access to computers
- Computer virusComputer program that modifies other programs to replicate itself and spread
- Computer visionComputerized information extraction from images
- Computer wormSelf-replicating malware program
- Computer-aided audit toolsData analysis software
- Computer-aided software engineeringDomain of software tools
- Computer-generated holographyThree-dimensional imaging technique
- Computer-generated imageryApplication of computer graphics to create or contribute to images
- Computer-integrated manufacturingManufacturing controlled by computers
- Computers and Intractability1979 classic textbook on computational complexity theory
- Computers and writingStudy of digital writing
- Computerworld Smithsonian AwardThe Computerworld Smithsonian Award is given out annually to individuals who have used tec
- ComputexCOMPUTEX Taipei, or Taipei International Information Technology Show (Chinese: 台北國際電腦展; pi
- Computing educationPedagogy of computer science
- Computing Machinery and Intelligence1950 scientific paper by Alan Turing
- Computing platformEnvironment in which a piece of software is executed
- ComtradeFile format
- COMTRANCOMTRAN (COMmercial TRANslator) is an early programming language developed at IBM. It was
- Concatenated error correction codeIn coding theory, concatenated codes form a class of error-correcting codes that are deriv
- ConcatenationJoining of strings in a programming language
- Concatenative programming languageType of programming language
- Concrete securityCryptographic analysis
- Concurrency (computer science)Ability to execute a task in a non-serial manner
- Concurrency controlMeasures to ensure concurrent computing operations generate correct results
- Concurrent computingExecuting several computations during overlapping time periods
- Concurrent MLConcurrent ML (CML) is a multi-paradigm, general-purpose, high-level, functional programmi
- Concurrent PascalConcurrent Pascal is a programming language designed by Per Brinch Hansen for writing conc
- Concurrent userUser accessing a resource at the same time as another
- Conditional (computer programming)Control flow statement that branches according to a Boolean expression
- Conditional mutual informationIn probability theory, particularly information theory, the conditional mutual information
- Conference callTelephone call with several participants
- Conference on Computer Vision and Pattern RecognitionAnnual conference
- Conficker2008 computer worm
- CONFIG.SYSSystem configuration file for DOS and OS/2
- Configuration fileFile holding settings for a computer program
- Configuration managementProcess for maintaining consistency of a product attributes with its design
- ConfiguratorPersonnel who configure systems
- Conflict-driven clause learningSAT solving algorithm
- Conflict-free replicated data typeType of data structure
- Conflict-of-interest editing on WikipediaInappropriate contributions to Wikipedia
- Conformal antennaIn radio communication and avionics a conformal antenna or conformal array is a flat array
- Confused deputy problemComputer security vulnerability
- Confusion and diffusionIn cryptography, confusion and diffusion are two properties of a secure cipher identified
- Conjunctive grammarType of formal grammar
- Connected-component labelingAlgorithmic application of graph theory
- Connection-oriented communicationCommunication protocol property
- Connectionless communicationNetwork protocol with routing per packet
- Connectivity Standards AllianceThe Connectivity Standards Alliance (CSA), formerly the Zigbee Alliance, is a group of com
- Consensus (computer science)Concept in computer science
- Consensus forecastPrediction of the future created by combining several separate forecasts
- Consistency (database systems)Guarantee of validity following an update
- Consistency modelRules that guarantee predictable computer memory operation
- Console applicationA console application or command-line program is a computer program (applications or utili
- ConstType qualifier denoting the data as being read-only
- Constant (computer programming)Value that is not changed during execution
- Constant foldingType of compiler optimization
- Constant linear velocityQualifier for the rated speed of an optical disc drive
- Constraint Handling RulesConstraint Handling Rules (CHR) is a declarative, rule-based programming language, introdu
- Constraint logic programmingLogic programming with constraint satisfaction
- Constraint programmingComputer programming paradigm
- Constraint satisfactionProcess in artificial intelligence and operations research
- Constraint satisfaction problemSet of objects whose state must satisfy limits
- Construct (Python library)Construct is a Python library for the construction and deconstruction of data structures i
- Constructor (object-oriented programming)Special function called to create an object
- Consumer Electronics ControlConsumer Electronics Control (CEC) is a feature of HDMI designed to control HDMI connected
- Consumer Electronics ShowUS trade show
- Consumer IRConsumer devices using infrared communication
- Consumerization of information technologyProliferation of personally owned IT at the workplace
- Contact scrapingIn online advertising, contact scraping is the practice of obtaining access to a customer'
- Container (abstract data type)In computer science, a container is a class or a data structure whose instances are collec
- Container (type theory)In type theory, a discipline within mathematical logic, containers are abstractions which
- Container formatFile format to hold multiple data streams
- Container LinuxLinux distribution
- Containerization (computing)Cloud computing concept
- Content creationContribution of information to any media
- Content curationInformation and item gathering
- Content delivery networkInternet ecosystem layer that addresses bottlenecks
- Content discovery platformA content discovery platform is an implemented software recommendation platform which uses
- Content formatData encoding to store and transmit media
- Content management systemSoftware for managing digital content
- Content moderationSystem to sort undesirable contributions
- Content Scramble SystemDigital rights management system used for DVD Video discs
- Content Security PolicyComputer security standard to prevent cross-site scripting and related attacks
- Content strategyContent strategy guides the planning, development, and management of content. It is a reco
- Content-addressable memoryType of computer memory
- Context awarenessCapability of situational awareness
- Context switchSwitch between processes or tasks on a computer
- Context-free grammarRule system for formal languages
- Context-free languageFormal language generated by context-free grammar
- Context-sensitive languageIn formal language theory, a context-sensitive language is a language that can be defined
- Contextual advertisingRole of language in advertising
- ContinuationRepresentation of the control state of a computer program
- Continuation-passing styleProgramming style in which control is passed explicitly
- Continuous availabilityContinuous availability is an approach to computer system and application design that prot
- Continuous deliverySoftware engineering approach of short cycles
- Continuous integrationSoftware development practice
- Continuous stationeryContinuous stationery (UK) or continuous form paper (US) is paper which is designed for us
- Contrast ratioProperty of a display system
- Control characterCode point in a character set, that does not represent a written symbol
- Control flowHow software progresses through its implementation
- Control keyKey on computer keyboards
- Control storeA control store is the part of a CPU's control unit that stores the CPU's microprogram. It
- Control unitComponent of a computer's CPU
- Control-Alt-DeleteComputer keyboard shortcut that triggers a reboot or system security function
- Control-flow graphGraphical representation of a computer program or algorithm
- Control-flow integrityTerm in computer security
- ControllabilityControllability is an important property of a control system and plays a crucial role in m
- ControlNetNetwork protocol for industrial automation
- Conventional memoryFirst 640 KB of RAM under DOS
- Convergent encryptionEncryption method
- Convolutional neural networkType of feedforward neural network
- Cooke and Wheatstone telegraph1830s electrical telegraph system
- Cooperative MIMOIn radio, cooperative multiple-input multiple-output (cooperative MIMO, CO-MIMO) is a tech
- Cooperative multitaskingComputer multitasking that does not preempt processes
- Copland (operating system)Operating system by Apple
- Copper conductorElectrical wire or other conductor made of copper
- Coppersmith's attackClass of cryptographic attacks
- CoprocessorType of computer processor
- Copy ControlGeneric name of a copy prevention system
- Copy protectionProtection of software, films, music, other media
- Copyright Alert SystemCopyright Alert System (CAS) was a voluntary industry effort to educate and penalize inter
- Copyright Alternative in Small-Claims Enforcement Act of 2020United States law on copyright remedies
- Copyright aspects of hyperlinking and framingIn copyright law, the legal status of hyperlinking (also termed "linking") and that of fra
- CORDICAlgorithm for computing trigonometric, hyperbolic, logarithmic and exponential functions
- Core AnimationCore Animation is an animation graphics compositing framework used by macOS (Mac OS X Leop
- Core architecture data modelCore architecture data model (CADM) in enterprise architecture is a logical data model of
- Core AudioCore Audio is a low-level API for dealing with sound in Apple's macOS and iOS operating sy
- Core DataCore Data is an object graph and persistence framework provided by Apple in the macOS and
- Core dumpSnapshot of computer memory data
- Core OpenGLCore OpenGL, or CGL, is Apple Inc.'s Macintosh Quartz windowing system interface to the OS
- Core rope memoryEarly form of read-only memory
- Core TextCore Text is a Core Foundation style API in macOS, first introduced in Mac OS X 10.4 Tiger
- CorecursionType of algorithm in computer science
- CorelDRAWVector graphics editor
- CoroutineFunctions whose execution can be paused
- Corporate censorshipCensorship by corporations
- Corporate governance of information technologyInformation technology (IT) governance is a subset discipline of corporate governance, foc
- Correctness (computer science)Quality of an algorithm being correct with respect to a specification
- Correlation attackCryptographic attack
- Corruption in Ba'athist SyriaCorruption in Ba'athist Syria was pervasive and systemic, and was characterized by corrupt
- Cost per actionMeasure of cost of online advertising
- Cost per impressionOnline advertising cost per view
- Counter (digital)Device storing number of times an event or process occurred
- Countermeasure (computer)In computer security a countermeasure is an action, device, procedure, or technique that r
- Counting sortSorting algorithm
- Country code top-level domainInternet top-level domain generally used by or reserved for a country
- Coupling (computer programming)Degree of interdependence between software modules
- CourierPerson or company delivering items
- Courier (typeface)Monospaced slab serif typeface
- Covert channelComputer security attack
- COVID-19 misinformationFalse or misleading virus information
- COVID-19 misinformation by governmentsFalse or misleading virus information
- COVID-19 scamsCOVID-19 scams are scams whose cover story primarily relies on the existence of the COVID-
- COWSELCOWSEL (COntrolled Working SpacE Language) is a programming language designed between 1964
- Cox CommunicationsAmerican cable provider
- Cozy BearRussian hacker group
- Cp (Unix)In computing, cp is a command in various Unix and Unix-like operating systems for copying
- CP/CMSCP/CMS (Control Program/Cambridge Monitor System) is a discontinued time-sharing operating
- CP/MDiscontinued family of computer operating systems
- CPL (programming language)CPL (Combined Programming Language) is a multi-paradigm programming language developed in
- CPLEXOptimization software package for linear programming
- CppUnitUnit testing framework module
- CPU cacheHardware cache of a central processing unit
- CPU modesOperating modes for central processing unit
- CPU socketCircuit board-microprocessor connection
- CPUIDInstruction for x86 microprocessors
- CPythonPython reference implementation
- CraftyCrafty is a chess program written by UAB professor Robert Hyatt, with development and assi
- CRAM-MD5Network protocol(CRAM)
- Cramer–Shoup cryptosystemAsymmetric key encryption algorithm
- Cramming (fraud)Fraud using uninformed small charges
- Crash (computing)Unexpected program exit due to an error
- Crash reporterA crash reporter is usually a system software whose function is to identify reporting cras
- Cray X-MPSupercomputer manufactured by Cray Research
- Cray-1Supercomputer manufactured by Cray Research
- Creational patternIn software engineering, creational design patterns are design patterns that deal with obj
- CredentialDocument proving authority or qualification
- Credential stuffingCyberattack using mass login requests
- CreepinessCausing an unpleasant feeling of fear or unease
- CRIMEHTTPS security vulernability
- Crime sceneLocation that may be associated with a committed crime
- CrimewareClass of malware designed specifically to automate cybercrime
- Cris KobrynAmerican systems engineer and software engineer
- Criss-cross algorithmMethod for mathematical optimization
- Critical designAspect of design that challenges preconceptions
- Critical sectionProtected section of code that cannot be executed by more than one process at a time
- Criticism of AmazonVaried criticism across business areas
- Criticism of ComcastA number of different controversies and criticisms have surrounded Comcast for various rea
- Criticism of GoogleCriticism of Google includes concern for tax avoidance, misuse and manipulation of search
- Criticism of HuaweiThe Chinese multinational information technology and consumer electronics company Huawei h
- Criticism of MicrosoftMicrosoft has been criticized for various aspects of its products and business practices.
- Cromemco DOSCromemco DOS or CDOS (an abbreviation for Cromemco Disk Operating System) is a CP/M-like o
- CronShell command for scheduling periodic jobs
- Cropping (image)Cropping is the removal of unwanted outer areas from a photographic or illustrated image.
- Croquet ProjectThe Croquet Project is a software project that was intended to promote the continued devel
- Cross compilerCross-platform machine-code compiler
- Cross impact analysisMethodology in futures studies
- Cross-cutting concernIn aspect-oriented software development, cross-cutting concerns are aspects of a program t
- Cross-device trackingTracking of users between different devices
- Cross-functional teamA cross-functional team (XFN), also known as a multidisciplinary team or interdisciplinary
- Cross-platform Audio Creation ToolCross-platform Audio Creation Tool (XACT) is an audio programming library and engine relea
- Cross-platform softwareComputer software installed on multiple computing platforms
- Cross-site scriptingSecurity issue for web applications
- CrowdfundingCollection of finance from backers to fund an initiative
- CrowdmappingCrowdmapping is a subtype of crowdsourcing by which aggregation of crowd-generated inputs
- Crt0Set of execution startup routines linked into a C program
- CRUXCRUX is a lightweight x86-64 Linux distribution targeted at experienced Linux users and de
- Cruzer EnterpriseEncrypted USB flash drive
- Crypt (C)Key derivation function of password hash
- Crypt (Unix)Obsolete encryption program
- CryptanalysisStudy of analyzing information systems in order to discover their hidden aspects
- Cryptanalysis of the EnigmaDecryption of World War II cipher
- Cryptanalysis of the Lorenz cipherAspect of WWII Allied intelligence gathering
- Crypto WarsAttempts to limit access to strong cryptography
- Crypto-anarchyPolitical ideology
- Crypto-PAnCryptographic algorithm for anonymizing IP addresses
- CryptocatOpen source encrypted chat application
- Cryptocurrency tracingDigital forensic technique
- CryptogramPuzzle
- Cryptographic hash functionHash function that is suitable for use in cryptography
- Cryptographic nonceSingle-use value in secure communications
- Cryptographic primitiveBasic cryptographic algorithm used to build cryptographic protocols
- Cryptographic protocolAspect of cryptography
- Cryptographic Service ProviderA cryptographic service provider (CSP) is a package that "provides a concrete implementati
- Cryptographically secure pseudorandom number generatorType of functions designed for being unsolvable by root-finding algorithms
- Cryptography lawLaws relating to encryption
- Cryptography standardsNumber of standards related to cryptography
- Cryptomeria cipherBlock cipher used by the 4C Entity
- CryptoPunksCryptoPunks is a non-fungible token (NFT) collection on the Ethereum blockchain. The proje
- CryptosystemSuite of cryptographic algorithms needed to implement a particular security service
- CryptovirologySecuring and encrypting virology
- CRYPTRECCRYPTREC is the Cryptography Research and Evaluation Committees set up by the Japanese Gov
- Crystal oscillatorElectronic oscillator circuit
- Crystal radioSimple radio receiver circuit for AM reception
- CSI effectInfluence of forensic science fiction on public perceptions
- CSIRACAustralia's first digital computer
- CSNETEarly computer network in the US
- CSS frameworkA CSS framework is a library allowing for easier, more standards-compliant web design usin
- CSS Zen GardenWorld Wide Web development resource
- CTIA (organization)Trade association
- CubaseDigital audio workstation
- Cubes (OLAP server)Cubes is a light-weight open source multidimensional modelling and OLAP toolkit for develo
- CubicWebSemantic web framework
- CUBRIDRelational database management system
- Cuckoo hashingData structure hashing scheme
- Cue sheet (computing)A cue sheet, or cue file, is a metadata file which describes how the tracks of a CD or DVD
- Cult of the Dead CowHacker organization
- CUPSComputer printing system
- CuPyNumerical programming library for the Python programming language
- CURE algorithmData clustering algorithm
- Current sourceElectronic component delivering stable electric current regardless of voltage
- Curriculum learningTechnique in machine learning
- Curry–Howard correspondenceRelationship between programs and proofs
- CurryingTransforming a function in such a way that it only takes a single argument
- Cursor (user interface)Indicator showing where text would be input
- CurtaMechanical pocket calculator
- Curtis CarlsonCurtis Raymond Carlson (born May 22, 1945) was president and CEO of SRI International from
- Curve25519Elliptic curve used in Internet cryptography
- Curved screenA curved screen is an electronic display device that, contrasting with the flat-panel disp
- Custom hardware attackConcept in cryptography
- Custom softwareSoftware that is specially developed for some specific organization or other user
- Customer intelligenceCustomer intelligence (CI) as part of business intelligence is the process of gathering in
- Customer lifetime valueMarketing concept
- Customer supportService to help customers use a product
- Customer-premises equipmentTerminal and associated equipment located at a subscriber's premises
- Cut (Unix)Shell command for extracting sections of text files
- Cut, copy, and pasteComputer user interface method
- Cuthill–McKee algorithmNumerical linear algebra algorithm
- Cutoff frequencyFrequency response boundary
- Cyber espionageObtaining secrets using the Internet
- Cyber Insider ThreatComputer surveillance
- Cyber Intelligence Sharing and Protection ActUnpassed United States bill
- Cyber kill chainProcess of carrying out a cyberattack
- Cyber Security and Information Systems Information Analysis CenterLeverages expertise from government, industry, and academia
- Cyber ShockWave2010 US-based wargame
- Cyber Storm ExerciseThe Cyber Storm exercise is a biennial simulated exercise overseen by the United States De
- Cyber threat intelligenceData that is useful in detecting or predicting cyberattacks
- Cyber-arms industryThe cyber-arms industry are the markets and associated events surrounding the sale of soft
- Cyber-security regulationInformation assurance (IA) requirements overview
- CyberattackAttack on a computer system
- Cyberattacks by countryA cyberattack is any unauthorized effort against computer infrastructure that compromises
- Cyberbullying legislationCyberbullying is a relatively recent phenomenon; many nations and territories have propose
- CyberfeminismFeminist approach
- CyberinfrastructureType of infrastructure
- Cybernetic Culture Research UnitExperimental cultural theorist collective
- CyberPatriotNational education program
- Cybersecurity Information Sharing ActUnited States federal law
- Cybersecurity Law of the People's Republic of ChinaLaw of China
- Cybersex traffickingOnline sexual exploitation
- CyberspaceConcept describing a widespread, interconnected digital technology
- CybersquattingType of intellectual property infringement
- Cyberstalking legislationLegal overview of the situation by country
- CyberterrorismUse of the internet for terrorist purposes
- Cyberwarfare and ChinaCyberwarfare is the strategic use of computer technology to disrupt the functions of a sta
- Cyberwarfare and IranElectronic warfare launched by Iranian military forces
- Cyberwarfare and the United StatesCyberattacks involving the United States and its military
- Cyberwarfare by RussiaVarious types of cyberwarfare used by Russia against many nations
- CyberweaponMalware agent
- Cyborg data miningData mining practice
- CYCLADESFrench research computer network
- Cycle sortComparison sorting algorithm
- Cyclic prefixIn telecommunications, the term cyclic prefix refers to the prefixing of a symbol with a r
- Cyclic redundancy checkError-detecting code for detecting data changes
- CyclometerThe cyclometer was a cryptologic device designed, "probably in 1934 or 1935," by Marian Re
- Cyclopædia, or an Universal Dictionary of Arts and Sciences1728 British encyclopedia
- CYK algorithmParsing algorithm for context-free grammars
- CypherpunkActivist advocating widespread use of strong cryptography
- Cypherpunks (book)Cypherpunks: Freedom and the Future of the Internet is a 2012 book by Julian Assange, in d
- CythonProgramming language
- CZ.NICCZ.NIC is a Czech interest association of legal persons established by leading Internet se