Browse Definitions by Alphabet

CNA - COM

CNAME - A CNAME specifies an alias or nickname for a canonical name record in a domain name system (DNS) database.
coaxial cable - Coaxial cable is a type of copper cable specially built with a metal shield and other components engineered to block signal interference.
COBIT - COBIT is an IT governance framework for businesses wanting to implement, monitor and improve IT management best practices.
COBIT 5 - COBIT 5 is the fifth iteration of a popular framework that's used for managing and governing information technology (IT).
COBOL (Common Business Oriented Language) - COBOL (Common Business-Oriented Language) is a high-level programming language for business applications.
code - In computer programming, 'computer code' refers to the set of instructions, or a system of rules, written in a particular programming language (i.
codebase (code base) - A codebase, or code base, is the complete body of source code for a software program, component or system.
codec - A codec is a hardware- or software-based process that compresses and decompresses large amounts of data.
coded orthogonal frequency-division multiplexing (COFDM) - Coded orthogonal frequency-division multiplexing (COFDM) is a telecommunications modulation scheme that divides a single digital signal across 1,000 or more signal carriers simultaneously.
coexistence testing - Coexistence testing, similar to compatibility testing, is a method of measuring the ability of multiple devices to interact in a single environment with limited bandwidth.
cognitive automation - Cognitive automation describes diverse ways of combining artificial intelligence (AI) and process automation capabilities to improve business outcomes.
cognitive bias - Cognitive bias is a systematic thought process caused by the tendency of the human brain to simplify information processing through a filter of personal experience and preferences.
cognitive blindness - Cognitive blindness is the inability to understand something due to the lack of a precept of knowledge, understanding or belief in a necessary fundamental concept.
cognitive computing - Cognitive computing is the use of computerized models to simulate the human thought process in complex situations where the answers might be ambiguous and uncertain.
cognitive diversity - Cognitive diversity is the inclusion of people who have different styles of problem-solving and can offer unique perspectives because they think differently.
cognitive modeling - Cognitive modeling is an area of computer science that deals with simulating human problem-solving and mental processing in a computerized model.
cognitive radio (CR) - Cognitive radio (CR) is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and which ones are not.
cognitive search - Cognitive search represents a new generation of enterprise search that uses artificial intelligence (AI) technologies to improve users' search queries and extract relevant information from multiple diverse data sets.
cohort learning - Cohort learning is a learning strategy prioritizing coursework or lessons that groups of students complete together in an interactive fashion.
cold backup (offline backup) - A cold backup, also called an offline backup, is a database backup during which the database is offline and not accessible to update.
cold calling - Cold calling is the business practice of contacting a potential customer or client who has not expressed previous interest in speaking with a customer service representative or making a purchase.
cold storage - Cold storage is a computer system or mode of operation designed for the retention of inactive data.
cold/warm/hot server - In the backup and recovery of a computer server, a cold server is a backup server whose purpose is solely to be there in case the main server is lost.
collaboration - Collaboration is a joint effort of multiple individuals or work groups to accomplish a task or project.
collaboration diagram - A collaboration diagram, also known as a communication diagram, is an illustration of the relationships and interactions among software objects in the Unified Modeling Language (UML).
collaborative BI (collaborative business intelligence) - Collaborative BI (collaborative business intelligence) is the merging of business intelligence software with collaboration tools, including social and Web 2.
collaborative filtering - Collaborative filtering is the predictive process behind recommendation engines.
collaborative robot (cobot) - A collaborative robot, also known as a cobot, is an industrial robot that can safely operate alongside humans in a shared workspace.
collision in networking - In a half-duplex Ethernet network, a collision is the result of two devices on the same Ethernet network attempting to transmit data at the same time.
colocation (colo) - A colocation facility, or colo, is a data center facility in which a business can rent space for servers and other computing hardware.
columnar database - A columnar database is a database management system (DBMS) that stores data in columns instead of rows.
com - On the Internet, "com" is one of the top-level domain names that can be used when choosing a domain name.
combination and permutation - In mathematics, combination and permutation are two different ways of grouping elements of a set into subsets.
COMINT (communications intelligence) - Communications intelligence (COMINT) is information gathered from the communications of individuals, including telephone conversations, text messages and various types of online interactions.
command prompt - A command prompt is the input field in a text-based user interface screen for an operating system (OS) or program.
command-and-control server (C&C server) - A command-and-control server (C&C server) is a computer that issues directives to digital devices that have been infected with rootkits or other types of malware, such as ransomware.
command-line interface (CLI) - A command-line interface (CLI) is a text-based user interface (UI) used to run programs, manage computer files and interact with the computer.
commercial motor vehicle (CMV) - A commercial motor vehicle (CMV) is any vehicle used to transport goods or passengers for the profit of an individual or business.
committed information rate (CIR) - Committed information rate (CIR) is the guaranteed rate at which a Frame Relay network will transfer information under normal line conditions.
commodity hardware - Commodity hardware in computing is computers or components that are readily available, inexpensive and easily interchangeable with other commodity hardware.
Common Access Card (CAC) - A Common Access Card (CAC) is a smart card issued by the Unites States Department of Defense for accessing DOD systems and facilities.
Common Body of Knowledge (CBK) - In security, the Common Body of Knowledge (CBK) is a comprehensive framework of all the relevant subjects a security professional should be familiar with, including skills, techniques and best practices.
common carrier - A common carrier, in telecommunications, is an entity that provides wired and wireless communication services to the general public for a fee.
Common Criteria (CC) for Information Technology Security Evaluation - Common Criteria (CC) is an international set of guidelines and specifications developed for evaluating information security products, specifically to ensure they meet an agreed-upon security standard for government deployments.
Common Information Model (CIM) - The Common Information Model (CIM) is a computer industry standard that defines device and application characteristics so system administrators and management programs can control devices and applications from different manufacturers.
Common Language Runtime (CLR) - The Common Language Runtime (CLR) is programming that manages the execution of programs written in any of several supported languages, allowing them to share common object-oriented classes written in any of the languages.
Common Service Center (CSC) - Common Service Center (CSC) is an initiative by the government of India to establish locations with computers that are freely available for citizens to use.
common short code (CSC) - Common short codes (CSC) are short telephone numbers, usually consisting of five digits, that are used to address SMS and MMS messages from cellular telephones.
Common Vulnerabilities and Exposures (CVE) - Common Vulnerabilities and Exposures (CVE) provides unique identifiers for publicly known security threats.
Common Vulnerability Scoring System (CVSS) - The Common Vulnerability Scoring System (CVSS) is a public framework for rating the severity of security vulnerabilities in software.
Common Weakness Enumeration (CWE) - Common Weakness Enumeration (CWE) is a universal online dictionary of weaknesses that have been found in computer software.
common working file (CWF) - A common working file (CWF) is a tool used by the Centers for Medicare & Medicaid Services (CMS) to maintain national Medicare records for individual beneficiaries enrolled in the program.
communication plan - A communication plan is a policy-driven approach to providing company stakeholders with certain information.
communication service provider (CSP) - Communication service provider (CSP) is the broad title for a variety of service providers in broadcast and two-way communications services.
Communications as a Service (CaaS) - Communications as a Service (CaaS) is an outsourced enterprise communications solution that can be leased from a single vendor.
communications platform as a service (CPaaS) - Communications platform as a service (CPaaS) is a cloud-based delivery model that allows organizations to add real-time communication capabilities, such as voice, video and messaging, to business applications by deploying application program interfaces (APIs).
compact disc (CD) - A compact disc is a portable storage medium that can record, store and play back audio, video and other data in digital form.
compact fluorescent light bulb (CFL) - A compact fluorescent light bulb (CFL) is a fluorescent light bulb that has been compressed into the size of a standard-issue incandescent light bulb.
CompactFlash card (CF card) - A CompactFlash card (CF card) is a memory card format developed by SanDisk in 1994 that uses flash memory technology to store data on a very small portable device.
compatibility - In the world of IT, compatibility refers to the ability of software and hardware from different sources to work together without having to be altered to do so.
compatibility test - A compatibility test is an assessment used to ensure a software application is properly working across different browsers, databases, operating systems (OS), mobile devices, networks and hardware.
compensating control (alternative control) - A compensating control, also called an alternative control, is a mechanism that is put in place to satisfy the requirement for a security measure that is deemed too difficult or impractical to implement at the present time.
compensation management - Compensation management is the discipline for determining employees' appropriate pay and benefits.
competency framework - A competency framework is a structure that defines a set of competencies, or skills, for each role in an organization.
competition law - Competition law is the body of legislation intended to prevent market distortion caused by anti-competitive practices on the part of businesses.
competitive advantage - Competitive advantage is the favorable position an organization seeks in order to be more profitable than its rivals.
competitive differentiation - Competitive differentiation is a strategic positioning tactic an organization can undertake to set its products, services and brands apart from those of its competitors.
compiler - A compiler is a special program that translates a programming language's source code into machine code, bytecode or another programming language.
complementary metal-oxide semiconductor (CMOS) - A complementary metal-oxide semiconductor (CMOS) is the semiconductor technology used in most of today's integrated circuits, also known as chips or microchips.
complex event processing (CEP) - Complex event processing (CEP) is the use of technology to predict high-level events likely to result from specific sets of low-level factors.
complex system - A complex system is an arrangement of a great number of related but various elements with intricate interconnections.
compliance - Compliance is the state of being in accordance with established guidelines or specifications, or the process of becoming so.
compliance as a service (CaaS) - Compliance as a Service (CaaS) is a cloud service service level agreement (SLA) that specified how a managed service provider (MSP) will help an organization meet its regulatory compliance mandates.
compliance audit - A compliance audit is a comprehensive review of an organization's adherence to regulatory guidelines.
compliance automation - Compliance automation, also known as automated compliance, is the practice of using technology -- such as applications with artificial intelligence features -- to perform and simplify compliance procedures.
compliance framework - A compliance framework is a structured set of guidelines that details an organization's processes for maintaining accordance with established regulations, specifications or legislation.
compliance risk - Compliance risk is an organization's potential exposure to legal penalties, financial forfeiture and material loss, resulting from its failure to act in accordance with industry laws and regulations, internal policies or prescribed best practices.
component - In programming and engineering disciplines, a component is an identifiable part of a larger program or construction.
componentization (component-based development) - Componentization is an approach to software development that involves breaking software down into identifiable and reusable pieces that application developers can independently build and deploy.
composable infrastructure - Composable infrastructure is a framework that decouples device resources in order to treat them as services.
compound - In chemistry, a compound is a substance made up of two or more different chemical elements that are combined in a fixed ratio.
CompTIA Network+ - The CompTIA Network+ is an IT certification exam that confirms an individual possesses the skills in networking required to develop a career in IT infrastructure.
CompTIA Project+ - CompTIA Project+ is the Computing Technology Industry Association's certification program designed to demonstrate a person has a validated understanding of and skills in project management.
CompTIA Security+ - CompTIA Security+ is a certification that demonstrates a person's competency with core security practices and functions that are carried out in IT security roles.
computational creativity (artificial creativity) - Computational creativity (artificial creativity), is the application of computer technologies to emulate, study, stimulate and enhance human creativity.
computational linguistics (CL) - Computational linguistics (CL) is the application of computer science to the analysis and comprehension of written and spoken language.
computational storage - Computational storage is an information technology (IT) architecture in which data is processed at the storage device level to reduce the amount of data that has to move between the storage plane and the compute plane.
computer - A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program, software, or sequence of instructions on how the data is to be processed.
computer assisted coding system (CACS) - A computer assisted coding system (CACS) is medical software that reviews healthcare forms, including electronic health records, and assigns appropriate medical codes to its findings.
computer cracker - A computer cracker is an outdated term used to describe someone who broke into computer systems, bypassed passwords or licenses in computer programs, or in other ways intentionally breached computer security.
Computer Emergency Response Team (CERT) - A Computer Emergency Response Team (CERT) is a group of information security experts responsible for the protection against, detection of and response to an organization’s cybersecurity incidents.
computer exploit - A computer exploit, or exploit, is an attack on a computer system, especially one that takes advantage of a particular vulnerability the system offers to intruders.
computer forensics (cyber forensics) - Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a court of law.
Computer Fraud and Abuse Act (CFAA) - The Computer Fraud and Abuse Act (CFAA) of 1986 is United States legislation that imposes criminal penalties on individuals who intentionally access a protected computer without proper authorization or whose access exceeds their authorization.
computer hardware - Computer hardware is a collective term used to describe any of the physical components of an analog or digital computer.
computer instruction - A computer instruction is an order given to a computer processor by a computer program.
computer network - A computer network is a group of interconnected nodes or computing devices that exchange data and resources with each other.
computer numerical control (CNC) - Computer numerical control (CNC) is a manufacturing method that automates the control, movement and precision of machine tools through the use of preprogrammed computer software, which is embedded inside the tools.
computer room air conditioning (CRAC) unit - A computer room air conditioning (CRAC) unit is a device that monitors and maintains the temperature, air distribution and humidity in a data center, network or server room.
computer room air handler (CRAH) - A computer room air handler (CRAH) is a device used frequently in data centers to deal with the heat produced by equipment.

CLI - CMO

COM - COP