Browse Definitions by Alphabet

SER - SMA

service supply chain - The service supply chain is the part of the supply chain dedicated to providing service on products.
service virtualization - Service virtualization is the process of creating replicas of systems that new applications depend on to test how well the application and systems integrate.
service-level agreement (SLA) - A service-level agreement (SLA) is a contract between a service provider and its customers that documents what services the provider will furnish and defines the service standards the provider is obligated to meet.
service-level objective - A service-level objective (SLO) is the part of a service-level agreement (SLA) that documents the key performance indicators (KPIs) the customer should expect from a provider.
service-oriented architecture (SOA) - Service-oriented architecture (SOA) is a software development model that allows services to communicate across different platforms and languages to form applications.
ServiceNow - ServiceNow is a software company that provides a cloud-based platform for automating IT management workflows.
servo (servomechanism) - A servo or servomechanism is an electromagnetic device that converts electricity into precise controlled motion by use of negative feedback mechanisms.
session border controller (SBC) - A session border controller (SBC) is a dedicated hardware device or software application that governs the manner in which phone calls are initiated, conducted and terminated on a voice over Internet Protocol (VoIP) network.
session control protocol (SCP) - Session control protocol (SCP) is a method of creating multiple light-duty connections from a single TCP (Transmission Control Protocol) connection.
session ID - A session ID is a unique number that a Web site's server assigns to identify a specific user for the duration of that user's visit (session).
Session Initiation Protocol (SIP) - Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, modifying and terminating real-time sessions that involve video, voice, messaging and other communications applications and services between two or more endpoints on IP networks.
session key - A session key is an encryption and decryption key that is randomly generated to ensure the security of a communications session between a user and another computer or between two computers.
Session layer - In the Open Systems Interconnection (OSI) communications model, the session layer resides at Layer 5 and manages the setup and teardown of the association between two communicating endpoints.
seven wastes - The seven wastes are categories of unproductive manufacturing practices identified by Taiichi Ohno, the father of the Toyota Production System (TPS).
SFX (special effects) - SFX, an abbreviation for special effects, is a software product that makes it easy to create certain kinds of hypertext links within a collection of information such as the description of a library collection.
shadow banning (shadowban) - Shadow banning, in discussion forums and social media, is the practice of making a particular user's posts visible only to that user.
shadow IT - Shadow IT is hardware or software within an enterprise that is not supported by the organization's central IT department.
shadow password file - A shadow password file, also known as /etc/shadow, is a system file in Linux that stores encrypted user passwords and is accessible only to the root user, preventing unauthorized users or malicious actors from breaking into the system.
sharding - Sharding is a type of database partitioning that separates large databases into smaller, faster, more easily managed parts.
share of wallet (SOW) or wallet share - Share of wallet (SOW) is a marketing metric used to calculate the percentage of a customer's spending for a type of product or service that goes to a particular company.
Shared Key Authentication (SKA) - Shared Key Authentication (SKA) is a process by which a computer can gain access to a wireless network that uses the Wired Equivalent Privacy (WEP) protocol.
shared responsibility model - A shared responsibility model is a cloud security framework that dictates the security obligations of a cloud computing provider and its users to ensure accountability.
shared secret - A shared secret is data known to only the two entities involved in a communication so that either party's possession of that data can be provided as proof of identity for authentication.
shared services - Shared services is the consolidation of business operations that are used by multiple parts of the same organization.
shared storage - Shared storage is a medium accessible by all of the subscribers in a network, intended for file storage and allowing simultaneous access by multiple subscribers without the need to duplicate files to their computers.
SharePoint administrator - A SharePoint administrator manages an organization's installation of the Microsoft SharePoint collaboration and content management platform.
SharePoint farm - A SharePoint farm is a collection of servers that work in concert to provide a set of basic SharePoint services to support a single site.
SharePoint Online - Microsoft SharePoint Online is a collection of cloud- and web-based technologies that make it easy for organizations to store, share and manage digital information.
shareware - Shareware is software that is distributed free on a trial basis with the understanding that the user may need or want to pay for it later.
sharing economy - The sharing economy, also known as collaborative consumption or peer-to-peer-based sharing, is a concept that highlights the ability -- and perhaps the preference -- of individuals to rent or borrow goods rather than buy and own them.
shell - Shell is a UNIX term for the interactive user interface with an operating system.
shell script - A shell script is a text file that contains a sequence of commands for a UNIX-based operating system.
shielded twisted pair (STP) - Shielded twisted pair (STP) is a special kind of copper telephone and local area network (LAN) wiring used in some business installations.
shift left testing - Shift left testing is an approach used to speed software testing and facilitate development by moving the testing process to an earlier point in the development cycle.
shift register - A shift register is a digital memory circuit found in calculators, computers, and data-processing systems.
shift-right testing - Shift-right testing is a method of continuously testing software while it is in a post-production environment.
shingled magnetic recording (SMR) - Shingled magnetic recording (SMR) is a technique for writing data to disk drives in partially overlapping tracks to boost areal density and overall capacity.
Shodan - Shodan (Sentient Hyper-Optimised Data Access Network) is a search engine designed to map and gather information about internet-connected devices and systems.
shoppable video - A shoppable video is a way for consumers to discover products and make a purchase through links within the video.
Short Message Service (SMS) - SMS (Short Message Service), commonly referred to as 'text messaging,' is a service for sending short messages of up to 160 characters (224 character limit if using a 5-bit mode) to mobile devices, including cellular phones, smartphones and tablets.
short message service center (SMSC) - The short message service center (SMSC) is the portion of a mobile phone network that handles text message operations.
should-cost analysis (should-cost review) - A should-cost analysis, also called a should-cost review, is a procurement strategy for cost optimization in which the customer reverse engineers the cost of producing a finished product or service and uses that information to negotiate a contract.
shoulder surfing - Shoulder surfing is using direct observation techniques, such as looking over someone's shoulder, to get information.
side-channel attack - A side-channel attack is a security exploit that aims to gather information from or influence the program execution of a system by measuring or exploiting indirect effects of the system or its hardware -- rather than targeting the program or its code directly.
sidecar proxy - A sidecar proxy is an application design pattern which abstracts certain features, such as inter-service communications, monitoring and security, away from the main architecture to ease the tracking and maintenance of an application.
sideloading - Sideloading is the installation of an application on a mobile device without using the device’s official application-distribution method.
siemens (mho) - (Siemens AG is a German company engaged in electrical engineering and electronics.
SIGINT (signals intelligence) - SIGINT (signals intelligence) is information gained by the collection and analysis of the electronic signals and communications of a given target.
signal-to-noise ratio (S/N or SNR) - In analog and digital communications, a signal-to-noise ratio, often written S/N or SNR, is a measure of the strength of the desired signal relative to background noise (undesired signal).
Signaling System 7 (SS7) - Signaling System 7 (SS7) is an international telecommunication protocol standard that defines how the network elements in a public switched telephone network (PSTN) exchange information and control signals.
signature file - A signature file is a short text file you create for use as a standard appendage at the end of your e-mail notes or Usenet messages.
Silicon Valley - Silicon Valley is home to some of the world's largest technology corporations and thousands of technology-related startup companies.
SIM card - A SIM card, also known as a subscriber identity module, is a smart card that stores identification information that pinpoints a smartphone to a specific mobile network.
SIM swap attack (SIM intercept attack) - A SIM Swap Attack, also known as a SIM Intercept Attack, is a form of identity theft in which an attacker convinces a cell phone carrier into switching a victim’s phone number to a new device in order to gain access to bank accounts, credit card numbers, and other sensitive information.
Simian Army - The Simian Army is a collection of open source cloud testing tools created by the online video streaming company, Netflix.
Simple Network Management Protocol (SNMP) - Simple Network Management Protocol (SNMP) is an application-layer protocol for monitoring and managing network devices on a local area network (LAN) or wide area network (WAN).
simplex - Simplex is a communications mode in which only one signal is transmitted, and it always goes in the same direction.
SimpliVity - SimpliVity Corp.
simulator sickness - Simulator sickness is a form of motion sickness related to interacting with a simulated environment.
Single namespace - A single namespace is one presentation of file system data.
single pane of glass - A single pane of glass is a management console that presents data from multiple sources in a unified display.
single point of failure (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.
Single Responsibility Principle (SRP) - Single Responsibility Principle (SRP) is the concept that any single object in object-oriented programing (OOP) should be made for one specific function.
single sign-on (SSO) - Single sign-on (SSO) is a session and user authentication service that permits a user to use one set of login credentials -- for example, a name and password -- to access multiple applications.
single source of truth (SSOT) - Single source of truth (SSOT) is a concept that an organization can apply as part of its information architecture to ensure that everyone in the organization uses the same data when making business decisions.
single-factor authentication (SFA) - Single-factor authentication (SFA) is the traditional security process that requires a user name and password before granting access to the user.
single-level cell (SLC) flash - Single-level cell (SLC) flash is a type of solid-state storage that stores one bit of data per cell of flash media.
single-page application (SPA) - A single-page application (SPA) is a Web app that is presented to the user through a single HTML page to more closely replicate a desktop application.
single-tenancy - Single-tenancy is an architecture in which a single instance of a software application and supporting infrastructure serves one customer.
single-user MIMO - Single-user MIMO (SU-MIMO) is a multi-transmitter and receiver technology that lets a wireless access point send multiple, simultaneous data streams to one compatible endpoint at a time.
Singularity (the) - In technology, the singularity describes a hypothetical future where technology growth is out of control and irreversible.
SIP trunking (Session Initiation Protocol trunking) - Session Initiation Protocol trunking is a service offered by a communications service provider that uses the protocol to provision voice over IP connectivity between an on-premises phone system and the public switched telephone network.
SIPOC diagram (suppliers, inputs, process, outputs, customers) - A SIPOC (suppliers, inputs, process, outputs, customers) diagram is a visual tool for documenting a business process from beginning to end prior to implementation.
Siri - Siri is Apple's virtual assistant for iOS, macOS, tvOS and watchOS devices that uses voice recognition and is powered by artificial intelligence (AI).
site reliability engineer - Site reliability engineer is a job title for a specialist who works with software developers to ensure that an organization's computing systems are scalable, stable and predictable.
site reliability engineering (SRE) - Site reliability engineering (SRE) is the application of scripting and automation to IT operations tasks such as maintenance and support.
six degrees of separation - Six degrees of separation is the theory that any person on the planet can be connected to any other person on the planet through a chain of acquaintances that has no more than five intermediaries.
Six Sigma - Six Sigma is a business methodology for quality improvement that measures how many defects there are in a current process and seeks to systematically eliminate them.
skeuomorphism - Skeuomorphism is the design concept of making items represented resemble their real-world counterparts.
skin effect - Skin effect is a tendency for alternating current (AC) to flow mostly near the outer surface of an electrical conductor, such as metal wire.
Skinny Client Control Protocol (SCCP) - Skinny Client Control Protocol (SCCP) is a Cisco proprietary standard for terminal control for use with voice over IP (VoIP).
SkunkWorks project (Skunk Works) - A skunk works is a small group of people who work on a project that needs to be completed quickly.
Slack software - Slack software is a cloud-based collaboration software suite.
slack space (file slack space) - Slack space is the difference between its logical and physical size.
slacktivism - Slacktivism is taking action online in ways that involve little personal effort and have little immediate effect; the word is a portmanteau of slacker and activism.
sleep mode - Sleep mode, sometimes called standby or suspend mode, is a power-sparing state that a computer can enter when not in use.
slice and dice - To slice and dice is to break a body of information down into smaller parts or to examine it from different viewpoints so that you can understand it better.
sliding window (windowing) - The sliding window (windowing) technique is used by Transmission Control Protocol (TCP) to manage the flow of packets between two computers or network hosts.
slot (or expansion slot) - In computers, a slot, or expansion slot, is an engineered technique for adding capability to a computer in the form of connection pinholes (typically, in the range of 16 to 64 closely-spaced holes) and a place to fit an expansion card containing the circuitry that provides some specialized capability, such as video acceleration, sound, or disk drive control.
slowness movement - The slowness movement is a grassroots reaction to the hectic pace, overwork, and lack of leisure typical of modern life.
SMAC (social, mobile, analytics and cloud) - SMAC (social, mobile, analytics and cloud) is the concept that the convergence of four technologies is currently driving business innovation.
small cell - A small cell is an umbrella term used to describe a miniature radio access point or wireless network base station with a low radio frequency power output, footprint and range.
Small Disadvantaged Business (SDB) - A Small Disadvantaged Business describes any small business concern that is at least 51 percent owned by one or more individuals who are both socially and economically disadvantaged.
small to medium enterprise (SME) - SME (small-to-medium enterprise) is a convenient term for segmenting businesses and other organizations that are somewhere between the "small office-home office" (SOHO) size and the larger enterprise.
SMART (SMART goals) - SMART is a best practice framework for setting goals.
smart bulb (smart light bulb) - A smart bulb is a networked LED light bulb that has additional features to enable automation, presence-sensing capabilities and customization.
smart card - A smart card is a physical card that has an embedded integrated chip that acts as a security token.
smart city - A smart city is a municipality that uses information and communication technologies (ICT) to increase operational efficiency, share information with the public and improve both the quality of government services and citizen welfare.
smart contract - A smart contract is a decentralized application that executes business logic in response to events.
smart data - Smart data is digital information that is formatted so it can be acted upon at the collection point before being sent to a downstream analytics platform for further data consolidation and analytics.

SCR - SER

SMA - SOF