Browse Definitions by Alphabet
SPE - SQL
- specific gravity - The term specific gravity, symbolized sp gr, refers to the ratio of the density of a solid or liquid to the density of water at 4 degrees Celsius.
- specific volume - Specific volume is a property of materials, defined as the number of cubic meters occupied by one kilogram of a particular substance.
- Specification and Description Language - SDL (Specification and Description Language) is a program design and implementation language that is used to build real-time event-driven systems that involve parallel processing.
- specification by example (SBE) - Specification by example (SBE) is a user-driven contextual approach to defining software requirements.
- spectrum - The electromagnetic radiation spectrum is the complete range of the wavelengths of electromagnetic radiation, beginning with the longest radio waves (including those in the audio range) and extending through visible light (a very small part of the spectrum) all the way to the extremely short gamma rays that are a product of radioactive atoms.
- spectrum analyzer - A spectrum analyzer is a device that displays signal amplitude (strength) as it varies by signal frequency.
- spectrum efficiency - Spectrum efficiency is the optimized use of spectrum or bandwidth so that the maximum amount of data can be transmitted with the fewest transmission errors.
- speculation - Speculation (also known as speculative loading), is a process implemented in Explicitly Parallel Instruction Computing (EPIC) processors and their compilers to reduce processor-memory exchanging bottlenecks or latency by putting all the data into memory in advance of an actual load instruction.
- speculation (speculative loading) - Speculation (also known as speculative loading), is a process implemented in Explicitly Parallel Instruction Computing (EPIC) processors and their compilers to reduce processor-memory exchanging bottlenecks or latency by putting all the data into memory in advance of an actual load instruction.
- speculative execution - Speculative execution is an optimization technique in which a processor (CPU) performs a series of tasks before it is prompted to in order to have the information ready if it is required at any point.
- speculative loading - Speculation (also known as speculative loading), is a process implemented in Explicitly Parallel Instruction Computing (EPIC) processors and their compilers to reduce processor-memory exchanging bottlenecks or latency by putting all the data into memory in advance of an actual load instruction.
- speculative risk - Speculative risk is a category of risk that can be taken on voluntarily and will either result in a profit or loss.
- speech analytics - Speech analytics is the process of analyzing voice recordings or live customer calls to contact centers with speech recognition software to find useful information and provide quality assurance.
- Speech Application Program Interface - SAPI (Speech Application Program Interface) is an application program interface (API) provided with the Microsoft Windows operating systemthat allows programmers to write programs that offer text-to-speech and speech recognitioncapabilities.
- Speech Application Program Interface (SAPI) - SAPI (Speech Application Program Interface) is an application program interface (API) provided with the Microsoft Windows operating systemthat allows programmers to write programs that offer text-to-speech and speech recognitioncapabilities.
- speech disfluency - A speech disfluency is any disruption in the flow of spoken language that is caused by the speaker.
- speech recognition - Speech recognition, the ability for a machine to convert spoken language to text, is often used for voice dialing, call routing and voice search.
- speech synthesis - Speech synthesis is the computer-generated simulation of human speech.
- speech technology - Speech technology is a type of computing technology that enables an electronic device to recognize, analyze and understand spoken word or audio.
- speed of gravity - The speed of gravity is the rate, in meters per second or other standard units, at which gravitational fields or effects propagate through space.
- speed of light - The speed of light in free space (that is, in a vacuum) is a constant that has been measured to considerable accuracy.
- speed of sound - The speed of sound, or of acoustic traveling waves, is a physical constant for any given medium at a specific pressure and temperature.
- spend analysis - Spend analysis is the process of collecting, categorizing and evaluating expenditure data, either by human hand or through software.
- spend management - In an enterprise, spend management is managing how to spend money to best effect in order to build products and services.
- SPF - Sender Policy Framework (SPF) is an anti-spam approach in which the Internet domain of an e-mail sender can be authenticated for that sender, thereby discouraging spam mailers, who routinely disguise the origin of their e-mail, a practice known as e-mail spoofing.
- SPI - In a computer, a serial peripheral interface (SPI) is an interface that enables the serial (one bit at a time) exchange of data between two devices, one called a master and the other called a slave.
- SPI model - SPI is an acronym for the most common cloud computing service models, software as a service, platform as a service and infrastructure as a service.
- SPI model - SPI is an acronym for the most common cloud computing service models, software as a service, platform as a service and infrastructure as a service.
- SPICE - SPICE (Software Process Improvement and Capability dEtermination) is an international framework for assessment of software processes developed jointly by the ISO and the IEC.
- SPID - A SPID (Service Profile Identifier) is a number assigned by a phone company to a terminal on an Integrated Services Digital Network B-channel.
- SPID (Service Profile Identifier) - A SPID (Service Profile Identifier) is a number assigned by a phone company to a terminal on an Integrated Services Digital Network B-channel.
- spider - A spider is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine index.
- SPIF - A SPIF(sales performance incentive fund) is a financial incentive that encourages a sales representative to sell a specific item or group of items.
- SPIF (sales performance incentive fund) - A SPIF(sales performance incentive fund) is a financial incentive that encourages a sales representative to sell a specific item or group of items.
- spike - A spike is a sharp rise in the frequency for a given variable, usually immediately followed by a decrease.
- spike testing - Spike testing is a type of performance testing where an application is tested with a sudden and extreme increase in load, such as user traffic or system transactions.
- spim - Spim is spam delivered through instant messaging (IM) instead of through e-mail messaging.
- spim (instant messaging spam) - Spim is spam delivered through instant messaging (IM) instead of through e-mail messaging.
- spin (angular momentum) - Spin, in physics, is the velocity of rotation of something around a particular axis.
- spin (PR, marketing) - Spin, in the context of public relations (PR) and journalism, is the selective assembly of fact and the shaping of nuance to support a particular view of a story.
- spindle - A spindle is a shaft that holds rotating hard disk drive (HDD) platters in place.
- sping - A sping (for spam ping) is a ping sent from a splog (spam blog) to make recipients think content of interest has been updated although that may not be the case.
- sping (spam ping) - A sping (for spam ping) is a ping sent from a splog (spam blog) to make recipients think content of interest has been updated although that may not be the case.
- spintronics - Spintronics is an emerging field of nanoscale electronics involving the detection and manipulation of electron spin.
- spiral lifecycle model - The spiral model, also known as the spiral lifecycle model, is a systems development method (SDM) used in information technology (IT).
- spiral model - The spiral model, also known as the spiral lifecycle model, is a systems development method (SDM) used in information technology (IT).
- spiral model - The spiral model is a systems development lifecycle (SDLC) method used for risk management that combines the iterative development process model with elements of the waterfall model.
- SPIT - SPIT (spam over Internet telephony), sometimes known as vam (voice or VoIP spam), is unsolicited bulk messages broadcast over VoIP (Voice over Internet Protocol) to phones connected to the Internet.
- SPIT (spam over Internet telephony) - SPIT (spam over Internet telephony), sometimes known as vam (voice or VoIP spam), is unsolicited bulk messages broadcast over VoIP (Voice over Internet Protocol) to phones connected to the Internet.
- splash ad - A transition ad is a Web page containing a commercial message that appears temporarily between two other Web pages.
- splash page - A splash page (or splash screen) is: An initial Web site page used to capture the user's attention for a short time as a promotion or lead-in to the site home page or to tell the user what kind of browser and other software they need to view the site.
- splash page (splash screen) - A splash page (or splash screen) is: An initial Web site page used to capture the user's attention for a short time as a promotion or lead-in to the site home page or to tell the user what kind of browser and other software they need to view the site.
- splash screen - A splash page (or splash screen) is: An initial Web site page used to capture the user's attention for a short time as a promotion or lead-in to the site home page or to tell the user what kind of browser and other software they need to view the site.
- Splashtop - Splashtop is a vendor that sells remote connection software which lets users access their PCs or Macs from other computing devices.
- splay tree - A splay tree is a self-adjusting search algorithm for placing and locating files (called records or keys) in a database.
- spline - In computer graphics, a spline is a curve that connects two or more specific points, or that is defined by two or more points.
- split - Among Internet Relay Chat (IRC) users, a split is a condition where two or more IRC servers are temporarily unable to communicate.
- split brain syndrome - Split brain syndrome, in a clustering context, is a state in which a cluster of nodes gets divided (or partitioned) into smaller clusters of equal numbers of nodes, each of which believes it is the only active cluster.
- split horizon - Split horizon is a method of preventing a routing loop in a network.
- split-mirror snapshot - A storage snapshot is a set of reference markers for data at a particular point in time.
- SplitRX Mode - SplitRX Mode is a VMware vSphere feature that can improve network performance for some multicast workloads.
- splitter - In telephony, a splitter, sometimes called a "plain old telephone service splitter," is a device that divides a telephone signal into two or more signals, each carrying a selected frequency range, and can also reassemble signals from multiple signal sources into a single signal.
- splitterless - Splitterless refers to a type of Digital Subscriber Line (DSL) telephone service that does not require the installation of a plain old telephone service splitter at the customer location.
- splog - A splog (spam blog) is a fake blog created solely to promote affiliated Web sites, with the intent of skewing search results and artificially boosting traffic.
- splog (spam blog) - A splog (spam blog) is a fake blog created solely to promote affiliated Web sites, with the intent of skewing search results and artificially boosting traffic.
- splogger - A splog (spam blog) is a fake blog created solely to promote affiliated Web sites, with the intent of skewing search results and artificially boosting traffic.
- Splunk - Splunk Inc. is a San Francisco-based multinational company whose software platform indexes machine data, and makes it searchable so it can be turned into actionable intelligence.
- SPML (Services Provisioning Markup Language) - SPML (Services Provisioning Markup Language) is an Extensible Markup Language (XML)-based language that facilitates the exchange of provisioning information among applications and organizations, corporations, or agencies.
- spod - On the Internet in the United Kingdom, a spod is a person who frequents chat rooms or discussion groups a little too frequently.
- SPOF - A single point of failure (SPOF) is a potential risk posed by a flaw in the design, implementation or configuration of a circuit or system in which one fault or malfunction causes an entire system to stop operating.
- Spoken Text Markup Language (STML) - Spoken Text Markup Language (STML) is an early set of markup codes and symbols for text-to-speech (TTS) synthesis for voice-enabled Web browsers and voice enabled e-mail.
- spoliation - Spoliation is the destruction, alteration, or mutilation of evidence that may pertain to legal action.
- spontaneous area network - An ad-hoc network is a local area network (LAN) that is built spontaneously as devices connect.
- spoof - Spoof was a game involving trickery and nonsense that was invented by an English comedian, Arthur Roberts, prior to 1884, when it is recorded as having been "revived.
- spoofing - Email spoofing is the forgery of an email header so that the message appears to have originated from someone or somewhere other than the actual source.
- spool - To spool (which stands for "simultaneous peripheral operations online") a computer document or task list (or "job") is to read it in and store it, usually on a hard disk or larger storage medium so that it can be printed or otherwise processed at a more convenient time (for example, when a printer is finished printing its current document).
- spool (simultaneous peripheral operations online) - To spool (which stands for "simultaneous peripheral operations online") a computer document or task list (or "job") is to read it in and store it, usually on a hard disk or larger storage medium so that it can be printed or otherwise processed at a more convenient time (for example, when a printer is finished printing its current document).
- SPR - A reagent is a chemical substance that is used to create a reaction in combination with some other substance.
- spray-on antenna - A spray-on antenna is a conductive material that can be sprayed onto nearly any surface to create a thin, lightweight and flexible antenna.
- spread spectrum - Spread spectrum is a form of wireless communications in which the frequency of the transmitted signal is deliberately varied.
- spreadmart - A spreadmart (spreadsheet data mart) is a situation in which a company's employees has inconsistent views of corporate data because each department relies on the data from their own spreadsheets.
- spreadmart (spreadsheet data mart) - A spreadmart (spreadsheet data mart) is a situation in which a company's employees has inconsistent views of corporate data because each department relies on the data from their own spreadsheets.
- spreadsheet - A spreadsheet is a sheet of paper that shows accounting or other data in rows and columns; a spreadsheet is also a computer application program that simulates a physical spreadsheet by capturing, displaying, and manipulating data arranged in rows and columns.
- spreadsheet controls - Spreadsheet controls are a set of steps that an organization's accounting personnel can take to ensure accuracy and integrity of financial records and bookkeeping procedures.
- spreadsheet data mart - A spreadmart (spreadsheet data mart) is a situation in which a company's employees has inconsistent views of corporate data because each department relies on the data from their own spreadsheets.
- Spring Framework - The Spring Framework (Spring) is an open-source application framework that provides infrastructure support for developing Java applications.
- sprint (software development) - A sprint is a set period of time during which specific work has to be completed and made ready for review.
- sprite - A sprite is a fairy or an elf.
- SPSS (Statistical Package for the Social Sciences) - SPSS (Statistical Package for the Social Sciences), also known as SPSS Statistics, is a software package used for the analysis of statistical data.
- SPX - SPX (Sequenced Packet Exchange) is the protocol for handling packet sequencing in a Novell NetWare network.
- spybot - Spyware is software that is installed on a computing device without the user's knowledge or permission.
- spyware - Spyware is a type of malicious software -- or malware -- that is installed on a computing device without the end user's knowledge.
- Spyware glossary - Print out for a handy reference guide or browse online to connect to full definitions and more information.
- SQL - SQL, short for Structured Query Language, is a programming language for relational databases.
- SQL (Structured Query Language) - SQL (Structured Query Language) is a standardized programming language that's used to manage relational databases and perform various operations on the data in them.
- SQL Azure - SQL Azure is Microsoft’s cloud database service.
- SQL injection - A SQL injection (SQLi) is a security exploit in which the attacker adds Structured Query Language (SQL) code to a Web form input box in order to gain access to unauthorized resources or make changes to sensitive data.
- SQL Server 2012 - Microsoft SQL Server 2012 is a relational database management system (RDBMS) designed for the enterprise environment.
- SQL Server 2014 - SQL Server 2014 is relational database management system (RDBMS) designed for the enterprise environment.
- SQL Server buffer pool - An SQL Server buffer pool, also called an SQL Server buffer cache, is a place in system memory that is used for caching table and index data pages as they are modified or read from disk.