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Terms related to computer fundamentals, including computer hardware definitions and words and phrases about software, operating systems, peripherals and troubleshooting.

DE - FOL

  • de facto standard - A de facto standard is something that is used so widely that it is considered a standard for a given application although it has no official status.
  • de jure standard - A de jure standard is a technology, method or product that has been officially endorsed for a given application.
  • deadlock - A deadlock is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.
  • decimal - Decimal is a term that describes the base-10 number system, probably the most commonly used number system.
  • decoupled architecture - In general, a decoupled architecture is a framework for complex work that allows components to remain completely autonomous and unaware of each other.
  • default - In computer technology, a default (noun, pronounced dee-FAWLT) is a predesigned value or setting that is used by a computer program when a value or setting is not specified by the program user.
  • defragmentation - Defragmentation is the process of locating the noncontiguous fragments of data into which a computer file may be divided as it is stored on a hard disk, and rearranging the fragments and restoring them into fewer fragments or into the whole file.
  • Department of Space (India) - The Department of Space (DoS) is a department created by the Indian government to manage their space program and oversee a number of related agencies and institutes.
  • deploy - To deploy (from the French deployer) is "to spread out or arrange strategically.
  • depository - A depository is a file or set of files in which data is stored for the purpose of safekeeping or identity authentication.
  • deprecated - In dictionaries, deprecated is a term used to indicate a pronunciation or usage that is acknowledged but discouraged.
  • desktop - A desktop is a computer display area that represents the kinds of objects one might find on top of a physical desk, including documents, phone books, telephones, reference sources, writing and drawing tools, and project folders.
  • desktop theme - A desktop theme is a customized graphical user interface (GUI) that replaces a computer's ordinary sounds, icons, pointer, wallpaper or screensaver with something designed to reflect the interests of the user.
  • device - In general, a device is a machine designed for a purpose.
  • digit - A digit is an element of a set that, taken as a whole, comprises a system of numeration.
  • digital accessibility - Digital accessibility is design of technology products and environments to help people with various disabilities not be impeded or otherwise unable to partake in use of the service, product or function.
  • digital audio broadcasting (DAB) - .
  • digital cash (eCash) - Digital cash is a system of purchasing cash credits in relatively small amounts, storing the credits in your computer, and then spending them when making electronic purchases over the Internet.
  • digital library - A digital library is a collection of documents in organized electronic form, available on the Internet or on CD-ROM (compact-disk read-only memory) disks.
  • digital modeling and fabrication - Digital modeling and fabrication is a design and production process that marries 3-D modeling or computing-aided design (CAD) software with additive and subtractive manufacturing.
  • digitization - Digitization is the process of converting information into a digital format.
  • Dilbert - Dilbert is a cartoon strip about the workplace that has a wide following among millions of corporate and other workers in the United States.
  • Direct Memory Access (DMA) - Direct Memory Access (DMA) is a capability provided by some computer bus architectures that allows data to be sent directly from an attached device (such as a disk drive) to the memory on the computer's motherboard.
  • direct-attached storage (DAS) - Direct-attached storage (DAS) is a type of storage that is attached directly to a computer without going through a network.
  • directory - A directory is, in general, an approach to organizing information, the most familiar example being a telephone directory.
  • disaster recovery plan (DRP) - A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume work after an unplanned incident.
  • disk-to-disk-to-tape (D2D2T) - Disk-to-disk-to-tape (D2D2T) is an approach to computer storage backup and archiving in which data is initially copied to backup storage on a disk and then later on copied again to tape.
  • display modes - The term display mode refers to the characteristics of a computer display, in particular the maximum number of colors and the maximum image resolution (in pixels horizontally by pixels vertically).
  • disruptive technology - A disruptive technology is one that displaces an established technology and shakes up the industry or a ground-breaking product that creates a completely new industry.
  • distance learning (e-learning) - Distance learning, sometimes called e-learning, is a formalized teaching and learning system specifically designed to be carried out remotely by using electronic communication.
  • distributed - Computing is said to be "distributed" when the computer programming and data that computers work on are spread out over more than one computer, usually over a network.
  • distribution - In marketing, distribution is the process of moving a product from its manufacturing source to its customers.
  • dithering - Dithering is the attempt by a computer program to approximate a color from a mixture of other colors when the required color is not available.
  • document - A document is a form of information that might be useful to a user or set of users.
  • Document Type Definition (DTD) - A Document Type Definition (DTD) is a specific document defining and constraining definition or set of statements that follow the rules of the Standard Generalized Markup Language (SGML) or of the Extensible Markup Language (XML), a subset of SGML.
  • dogcow - The dogcow is a drawing of a rather indiscriminate-looking animal (it looks mostly like a dog but is said to have the spots of a cow) that is or has been used in the Apple Macintosh operating system to help tell users about their printing options.
  • DOS (disk operating system) - A DOS, or disk operating system, is an operating system that runs from a disk drive.
  • dot product (scalar product) - The dot product, also called the scalar product, of two vectors is a number (scalar quantity) obtained by performing a specific operation on the vector components.
  • double factorial - The double factorial, symbolized by two exclamation marks (!!), is a quantity defined for all integers greater than or equal to -1.
  • double-slit experiment - The double-slit experiment is a nineteenth-century investigation into the properties of light that has since been found to demonstrate both the duality of photons and the concepts of superposition and quantum interference.
  • downsizing - In a business enterprise, downsizing is reducing the number of employees on the operating payroll.
  • DRY principle - The DRY (don't repeat yourself) principle is a best practice in software development that recommends software engineers to do something once, and only once.
  • duty cycle - Duty cycle is the proportion of time during which a component, device, or system is operated.
  • dynamic and static - In general, dynamic means energetic, capable of action and/or change, or forceful, while static means stationary or fixed.
  • e-tailing (electronic retailing) - E-tailing (less frequently: etailing) is the selling of retail goods on the Internet.
  • early adopter - An early adopter is a person who embraces new technology before most other people do.
  • Earth's mean orbital speed - Earth's mean orbital speed is the average speed at which the Earth revolves around the sun.
  • EDP (electronic data processing) - EDP (electronic data processing), an infrequently used term for what is today usually called "IS" (information services or systems) or "MIS" (management information services or systems), is the processing of data by a computer and its programs in an environment involving electronic communication.
  • edu - edu is one of the top-level domain names that can be used when choosing a domain name.
  • egosurfing - Egosurfing is looking to see how many places on the Web your name appears.
  • electronic discovery (e-discovery or ediscovery) - Electronic discovery -- also called e-discovery or ediscovery -- refers to any process of obtaining and exchanging evidence in a civil or criminal legal case.
  • electronic newspaper - An electronic newspaper is a self-contained, reusable, and refreshable version of a traditional newspaper that acquires and holds information electronically.
  • electronic nose (e-nose) - An electronic nose (e-nose) is a device that identifies the specific components of an odor and analyzes its chemical makeup to identify it.
  • electronic resume - An electronic resume is a plain text (ASCII), PDF or HTML document that provides an employer with information regarding a job candidate's professional experience, education and job qualifications and is meant to be read by a computer program instead of by a human being.
  • elegant solution - The word elegant, in general, is an adjective meaning of fine quality.
  • email - Email (electronic mail) is the exchange of computer-stored messages by telecommunication.
  • embedded system - An embedded system is a combination of computer hardware and software designed for a specific function.
  • encoding and decoding - Encoding and decoding are used in many forms of communications, including computing, data communications, programming, digital electronics and human communications.
  • end user - In information technology, the term end user is used to distinguish the person for whom a hardware or software product is designed from the developers, installers, and servicers of the product.
  • enhancement - In an information technology product, an enhancement is a noteworthy improvement to the product as part of a new version of it.
  • ENIAC - ENIAC (Electronic Numerical Integrator And Computer) was the world’s first general-purpose computer.
  • enterprise - In the computer industry, an enterprise is an organization that uses computers.
  • enterprise architecture (EA) - An enterprise architecture (EA) is a conceptual blueprint that defines the structure and operation of an organization.
  • entity - In general, an entity (pronounced N-tih-tee) is an existing or real thing.
  • entrepreneur (entrepreneurship) - An entrepreneur is an individual who identifies a need in the marketplace and works to fulfill it.
  • ergonomics - Ergonomics (from the Greek word "ergon" meaning work, and "nomoi" meaning natural laws), is the science of refining the design of products to optimize them for human use.
  • event - An event, in a computing context, is an action or occurrence that can be identified by a program and has significance for system hardware or software.
  • event handler - In programming, an event handler is a callback routine that operates asynchronously once an event takes place.
  • executable - In computers, to execute a program is to run the program in the computer, and, by implication, to start it to run.
  • EXL Service (EXL Services) - EXL Service, also known as EXL Services (NASDAQ: EXLS), provides business process outsourcing services to global corporations.
  • expanded memory - Expanded memory, also know as EMS (Expanded Memory Specification) was a method used to increase the 640KB upper limit of MS-DOS to 1MB using a gated memory riser card.
  • exponential function - An exponential function is a mathematical function of the following form:f (x) = a xwhere x is a variable, and a is a constant called the base of the function.
  • extended memory - Extended memory, also known as XMS (eXtended Memory Specification) is a technology that enables capacity above the 640KB standard MS-DOS limit of main memory.
  • extension - In computer operating systems, a file name extension is an optional addition to the file name in a suffix of the form ".
  • fabric - In information technology, fabric is a synonym for the words framework or platform.
  • factorial - The factorial, symbolized by an exclamation mark (!), is a quantity defined for all integers greater than or equal to 0.
  • fair use - Fair use is a legal concept that allows the reproduction of copyrighted material for certain purposes without obtaining permission and without paying a fee or royalty.
  • falsifiability - Falsifiability is the capacity for some proposition, statement, theory or hypothesis to be proven wrong.
  • farad (F) - A farad (F) is the standard unit of capacitance in the International System of Units (SI).
  • Fast Guide to Helpful Tips - Explore the categories below for recently submitted and archived tips.
  • fault-tolerant - Fault-tolerant technology is a capability of a computer system, electronic system or network to deliver uninterrupted service, despite one or more of its components failing.
  • FCC (Federal Communications Commission) - The FCC (Federal Communications Commission) is the government body responsible for maintaining laws, censorship and broadcast licensing pertaining to interstate and international communications in the United States.
  • FDISK - WARNING: Use caution when repartitioning a hard disk drive that contains data.
  • feature creep - Feature creep (sometimes known as requirements creep or scope creep) is a tendency for product or project requirements to increase during development beyond those originally foreseen, leading to features that weren't originally planned and resulting risk to product quality or schedule.
  • field - A field is an area in a fixed or known location in a unit of data such as a record, message header, or computer instruction that has a purpose and usually a fixed size.
  • file extension (file format) - In a computer, a file extension is the layout of a file -- in terms of how the data within the file is organized.
  • file transfer - File transfer is the movement of one or more files from one location to another.
  • Finacle - Finacle is a core banking suite developed and marketed by India's Infosys Technologies.
  • finite state machine - Finite state machine (FSM) is a term used by programmers, mathematicians and other professionals to describe a mathematical model for any system with a limited number of conditional states of being.
  • firehose effect - A firehose effect occurs in a network when the source (transmitting) computer or terminal sends data too fast for a destination (receiving) computer or terminal to deal with it.
  • first call resolution (FCR) - First call resolution (FCR) is when customer service agents properly address a customer's needs the first time they call.
  • first-order logic - First-order logic is symbolized reasoning in which each sentence, or statement, is broken down into a subject and a predicate.
  • flaming - On the Internet, flaming is giving someone a verbal lashing in public.
  • flash memory card - Flash storage memory cards use nonvolatile semiconductor memory to store pictures, audio and video data on portable and remote devices.
  • flash storage - Flash storage is any type of drive, repository or system that uses flash memory to keep data for an extended period of time.
  • FlashMob supercomputer - A FlashMob supercomputer is a group of computer enthusiasts who gather together in one physical location for a brief time period in order to function as a supercomputer and work on a single problem.
  • flat address space - 1. A flat address space is a set of addresses arranged on a single level.
  • FLOPS (floating-point operations per second) - In computers, FLOPS are floating-point operations per second.
  • flowchart - A flowchart is a formalized graphic representation of a logic sequence, work or manufacturing process, organization chart, or similar formalized structure.
  • folder - In the Windows, Macintosh, and some other operating system s, a folder is a named collection of related files that can be retrieved, moved, and otherwise manipulated as one entity.
SearchNetworking
  • virtual network functions (VNFs)

    Virtual network functions (VNFs) are virtualized tasks formerly carried out by proprietary, dedicated hardware.

  • network functions virtualization (NFV)

    Network functions virtualization (NFV) is a network architecture model designed to virtualize network services that have ...

  • overlay network

    An overlay network is a virtual or logical network that is created on top of an existing physical network.

SearchSecurity
  • encryption

    Encryption is the method by which information is converted into secret code that hides the information's true meaning.

  • X.509 certificate

    An X.509 certificate is a digital certificate that uses the widely accepted international X.509 public key infrastructure (PKI) ...

  • directory traversal

    Directory traversal is a type of HTTP exploit in which a hacker uses the software on a web server to access data in a directory ...

SearchCIO
  • resource allocation

    Resource allocation is the process of assigning and managing assets in a manner that supports an organization's strategic ...

  • chief digital officer (CDO)

    A chief digital officer (CDO) is charged with helping an enterprise use digital information and advanced technologies to create ...

  • security audit

    A security audit is a systematic evaluation of the security of a company's information system by measuring how well it conforms ...

SearchHRSoftware
SearchCustomerExperience
  • implementation

    Implementation is the execution or practice of a plan, a method or any design, idea, model, specification, standard or policy for...

  • first call resolution (FCR)

    First call resolution (FCR) is when customer service agents properly address a customer's needs the first time they call.

  • customer intelligence (CI)

    Customer intelligence (CI) is the process of collecting and analyzing detailed customer data from internal and external sources ...

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