Browse Definitions by Alphabet

SOF - STA

software-defined everything (SDE) - Software-defined everything (SDE) is an umbrella term that describes how virtualization and abstracting workloads from the underlying hardware can be used to make information technology (IT) infrastructures more flexible and agile.
software-defined networking (SDN) - Software-defined networking (SDN) is an architecture that abstracts different, distinguishable layers of a network to make networks agile and flexible.
software-defined networking monitoring application (SDN monitoring application) - An SDN monitoring application is a software program that oversees the traffic in a software-defined network (SDN) as a component of network management.
software-defined perimeter (SDP) - A software-defined perimeter, or SDP, is a security technique that controls access to resources based on identity and forms a virtual boundary around networked resources.
software-defined storage (SDS) - Software-defined storage (SDS) is a computer program that manages data storage resources and functionality and has no dependencies on the underlying physical storage hardware.
solar constant - A solar constant is a measurement of the solar electromagnetic radiation available in a meter squared at Earth's distance from the sun.
solar cooling - Solar cooling is a system that converts heat from the sun into cooling that can be used for refrigeration and air conditioning.
solar power - Solar power is the use of the sun’s energy either thermally or through the use of photovoltaic cells in solar panels and transparent photovoltaic glass to generate electricity.
solid - A solid is a state of matter that retains its shape and density when not confined.
SOLID (software design principles) - SOLID is a mnemonic acronym for a set of design principles created for software development in object-oriented languages.
solid-state - Solid-state is a common descriptor used to refer to electronic components, devices and systems based entirely on semiconductor materials such as silicon, germanium or gallium arsenide.
solid-state drive (SSD) capacity - Solid-state drive (SSD) capacity is the maximum amount of data that can be stored on a solid-state drive.
solid-state storage - Solid-state storage (SSS) is a type of computer storage media made from silicon microchips.
solid-state storage garbage collection - Solid-state storage garbage collection, or SSD garbage collection, is an automated process by which a solid-state drive (SSD) improves write performance.
SoLoMo (social, local and mobile) - SoLoMo (social, local and mobile) is a term representing the convergence of collaborative, location-based and on-the-go technologies, primarily used for marketing and discovery purposes.
solution provider - A solution provider is a vendor, service provider or value-added reseller (VAR) that comprehensively handles the project needs of their client from concept to installation through support.
solution selling - Solution selling refers to the philosophy or practice of uncovering a customer's pain points and then providing products and services that address the underlying business problem.
sorting algorithm - A sorting algorithm is a method for reorganizing a large number of items into a specific order, such as alphabetical, highest-to-lowest value or shortest-to-longest distance.
sound card - A sound card (also referred to as an audio card) is a peripheral device that attaches to the ISA or PCI slot on a motherboard to enable the computer to input, process, and deliver sound.
sound wave - A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound.
source code - Source code is the fundamental component of a computer program that is created by a programmer, often written in the form of functions, descriptions, definitions, calls, methods and other operational statements.
source code analysis - Source code analysis is the automated testing of source code for the purpose of debugging a computer program or application before it is distributed or sold.
space - Space is a term that can refer to various phenomena in science, mathematics and computing and generally encompasses the concept of an area or region.
SpaceX - SpaceX (Space Exploration Technologies Corporation) is a space transportation and aerospace manufacturer founded in 2002 by Elon Musk.
spam filter - A spam filter is a program used to detect unsolicited, unwanted and virus-infected emails and prevent those messages from getting to a user's inbox.
spam trap - A spam trap is an email address that is used to identify and monitor spam email.
spambot - A spambot is an automated system that sends unwanted, unsolicited messages to users, known as spam.
Spanning Tree Protocol (STP) - Spanning Tree Protocol (STP) is a Layer 2 network protocol used to prevent looping within a network topology.
spatial computing - Spatial computing broadly characterizes the processes and tools used to capture, process and interact with 3D data.
spatial data - Spatial data is any type of data that directly or indirectly references a specific geographical area or location.
spatial intelligence - Spatial intelligence is the concept of being able to successfully perceive and derive insight from visual data.
spear phishing - Spear phishing is a malicious email spoofing attack that targets a specific organization or individual, seeking unauthorized access to sensitive information.
specific gravity - Specific gravity, more formally known as relative density, is a measure of the density of a substance in comparison to the density of water.
specification by example (SBE) - Specification by example (SBE) is a user-driven contextual approach to defining software requirements.
spectrum analyzer - A spectrum analyzer is a device that measures and displays signal amplitude (strength) as it varies by frequency within its frequency range (spectrum).
spectrum efficiency - Spectrum efficiency describes the amount of data transmitted over a given spectrum or bandwidth with minimum transmission errors.
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 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 disfluency - A speech disfluency is any disruption in the flow of spoken language that is caused by the speaker.
speech recognition - Speech recognition, or speech-to-text, is the ability of a machine or program to identify words spoken aloud and convert them into readable text.
speech technology - Speech technology is a type of computing technology that enables an electronic device to recognize, analyze and understand spoken word or audio.
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.
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 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.
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.
Spine-leaf (spine-leaf architecture) - Spine-leaf, or leaf-spine, is a two-layer network topology composed of spine and leaf switches.
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.
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 used by distance vector protocols to prevent network routing loops.
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) - Services Provisioning Markup Language (SPML) is an open source XML-based standard that facilitates the exchange of account provisioning information among applications, services and organizations.
spoliation - Spoliation is the destruction, alteration, or mutilation of evidence that may pertain to legal action.
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).
spreadsheet - A spreadsheet is a computer program that can capture, display and manipulate data arranged in rows and columns.
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.
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.
spyware - Spyware is a type of malicious software -- or malware -- that is installed on a computing device without the end user's knowledge.
SQL injection - A SQL injection is a technique that attackers use to gain unauthorized access to a web application database by adding a string of malicious code to a database query.
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.
SQL Server Reporting Services (SSRS) - SQL Server Reporting Services (SSRS) is a SQL Server subsystem that enables the creation of graphical, mobile and printed reports using SQL Server and other data sources.
SQL-on-Hadoop - SQL-on-Hadoop is a class of analytical application tools that combine established SQL-style querying with newer Hadoop data framework elements.
square meter (meter squared) - The square meter, also called the meter squared, is the International System of Units (SI) unit of area.
Squid proxy server - Squid is a Unix-based proxy server that caches Internet content closer to a requestor than its original point of origin.
SRAM (static random access memory) - SRAM (static RAM) is a type of random access memory (RAM) that retains data bits in its memory as long as power is being supplied.
SRTP (Secure Real-Time Transport Protocol or Secure RTP) - SRTP (Secure Real-Time Transport Protocol or Secure RTP) is an extension to RTP (Real-Time Transport Protocol) that incorporates enhanced security features.
SS7 attack - An SS7 attack is a security exploit that takes advantage of a weakness in the design of SS7 (Signaling System 7) to enable data theft, eavesdropping, text interception and location tracking.
SSADM (Structured Systems Analysis and Design Method) - SSADM (Structured Systems Analysis and Design Method) is a widely used computer application development method in the United Kingdom, where its use is often specified as a requirement for government computing projects.
SSAE 16 - The Statement on Standards for Attestation Engagements No.
SSD (solid-state drive) - An SSD, or solid-state drive, is a type of storage device used in computers.
SSD caching - SSD caching, also known as flash caching, is the temporary storage of data on NAND flash memory chips in a solid-state drive so data requests can be met with improved speed.
SSD form factor - An SSD form factor is the size, configuration or physical arrangement of solid state storage media.
SSD RAID (solid-state drive RAID) - SSD RAID (solid-state drive RAID) is a methodology commonly used to protect data by distributing redundant data blocks across multiple SSDs.
SSD TRIM - SSD TRIM is an Advanced Technology Attachment (ATA) command that enables an operating system to inform a NAND flash solid-state drive (SSD) which data blocks it can erase because they are no longer in use.
SSD write cycle - An SSD write cycle is the process of programming data to a NAND flash memory chip in a solid-state storage device.
SSL (secure sockets layer) - Secure sockets layer (SSL) is a networking protocol designed for securing connections between web clients and web servers over an insecure network, such as the internet.
SSL certificate (Secure Sockets Layer certificate) - A Secure Sockets Layer certificate, known commonly as an SSL certificate, is a small data file installed on a Web server that allows for a secure connection between a Web server and a Web browser.
SSL VPN (Secure Sockets Layer virtual private network) - An SSL VPN is a type of virtual private network (VPN) that uses the Secure Sockets Layer (SSL) protocol -- or, more often, its successor, the Transport Layer Security (TLS) protocol -- in standard web browsers to provide secure, remote access VPN capability.
stablecoin - Stablecoin is a fixed-price cryptocurrency whose market value is attached to another stable asset.
stack overflow - A stack overflow is a type of buffer overflow error that occurs when a computer program tries to use more memory space in the call stack than has been allocated to that stack.
stack pointer - A stack pointer is a small register that stores the memory address of the last data element added to the stack or, in some cases, the first available address in the stack.
stacked ranking - Stacked ranking is an employee evaluation method that slots a certain percentage of employees into each of several levels of performance.
staging environment - A staging environment, or staging, provides a nearly exact replica of a production environment for software testing.
stakeholder - A stakeholder is a person, group or organization with a vested interest, or stake, in the decision-making and activities of a business, organization or project.
stand-up - In agile software development, a stand-up is a daily progress meeting, traditionally held within a development area.
standard - A standard is a generally agreed-upon technology, method or format for a given application.
standard operating environment (SOE) - Standard operating environments (SOE) simplify desktop deployment and network administration within an organization.
standard operating procedure (SOP) - A standard operating procedure (SOP) is a set of written instructions that describes the step-by-step process that must be taken to properly perform a routine activity.
standard temperature and pressure (STP) - Standard temperature and pressure (STP) refers to the nominal conditions in the atmosphere at sea level.
standardization - Standardization is the process of developing, promoting and possibly mandating standards-based and compatible technologies within a given industry.
standing wave ratio (SWR) - Standing wave ratio (SWR) is the ratio of the maximum magnitude or amplitude of a standing wave to its minimum magnitude.
star network - A star network is a local area network (LAN) topology in which all nodes -- personal computers (PCs), workstations or other devices -- are directly connected to a common central computer that is often referred to as a hub.
star schema - A star schema is a database organizational structure optimized for use in a data warehouse or business intelligence that uses a single large fact table to store transactional or measured data, and one or more smaller dimensional tables that store attributes about the data.
Starlink - Starlink is a satellite internet constellation system that aims to deliver global internet coverage.
startup accelerator - A startup accelerator, sometimes referred to as a seed accelerator, is a business program that supports early-stage, growth-driven companies through education, mentorship and financing.
startup company - A startup company is a newly formed business with particular momentum behind it based on perceived demand for its product or service.
startup culture - Startup culture refers to how people within a new business, or startup, work together.
state diagram (state machine diagram or statechart diagram) - A state diagram, also known as a state machine diagram or statechart diagram, is an illustration of the states an object can attain as well as the transitions between those states in the Unified Modeling Language (UML).

SMA - SOF

STA - SUP