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Gartner, Inc.
Industry: Consulting
Number of terms: 1807
Number of blossaries: 2
Company Profile:
Gartner delivers technology research to global technology business leaders to make informed decisions on key initiatives.
Active matrix organic light-emitting diodes (AMOLEDs) consist of pixels of electroluminescent organic compounds “printed” in a matrix onto a base layer. This base layer is currently glass and will be further developed to use flexible polymers in the future. Unlike liquid crystal displays, OLED displays do not require a backlight and consume very little power, making them suitable for battery-powered devices. AMOLEDs use a thin film transistor (TFT) to control the pixels.
Industry:Technology
Active Directory is the “directory service” portion of the Windows 2000 operating system. Active Directory manages the identities and relationships of the distributed resources that make up a network environment. It stores information about network-based entities (e.g., applications, files, printers and people) and provides a consistent way to name, describe, locate, access, manage and secure information about these resources. It the central authority that manages the identities and brokers the relationships between these distributed resources, enabling them to work together.
Industry:Technology
An active data dictionary facility for storing dynamically accessible and modifiable information relating to midrange-system data definitions and descriptions.
Industry:Technology
The Accredited Standards Committee (ASC) is an organization, certified by the American National Standards Institute, that produces standard communication protocols for electronic data interchange.
Industry:Technology
Accountable care organization (ACO) is an umbrella term for a major switch in contracting between providers and public or private payers. In an ACO model, a group of providers, operating as a legal entity, contracts to assume some portion of the risk for cost and quality for a panel of beneficiaries through a variety of value-based payment models over a specified period of time. ACOs include primary care services. The U.S. CMS Distributed Shared Savings Program, which began operation in 2012, is one version of this model.
Industry:Technology
An access point is a pico base station or network access point in a WLAN radio network, consisting of a radio (often more than one) and a network connection, enabling WLAN clients to access network resources connected to a home or enterprise network.
Industry:Technology
An access method is: The portion of a computer’s operating system responsible for formatting data sets and their direction to specific storage devices. Examples from the mainframe world include Virtual Storage Access Method (VSAM) and Indexed Sequential Access Method (ISAM). In local-area networks, the technique or program code used to arbitrate the use of the communications medium by granting access selectively to individual stations. Examples are Carrier Sense Multiple Access with Collision Detection (CSMA-CD) and token passing.
Industry:Technology
An access media gateway (AMG) serves as the bridge between a circuit-based voice switch and a packet-based IP or ATM access network. An AMG takes care of the PSTN-to-packet-network transition at the local-loop level and is connected to the local exchange or an access node. It has Class 5 switch interfaces and supports VoIP and/or VoATM. Included in the AMG segment are inverse AMGs, which make the transition from the packet-access domain — DSL, cable hybrid fiber-coax, power line and local multipoint distribution service — to a PSTN Class 5 local exchange via Generic Requirement (GR)-303, V5.x interface and Primary Rate Interface (PRI) (Q.931) V5.2 access node (AN), and GR-303 remote digital terminal (RDT).
Industry:Technology
Absorption chillers use a different mechanism from traditional chillers, and are powered by heat rather than using electricity, potentially resulting in significant efficiency gains. The cooling mechanism is still evaporative — a liquid transforming into a vapor — but the reliquification is different. Instead of being compressed, the vapor is absorbed into another liquid. The classic cycle here uses ammonia, which is absorbed into water.
Industry:Technology
A framework of seven types of activity that do not add value; originally defined by Toyota: overproducing — producing product before there’s a valid order; unnecessary waiting — lengthened cycle time, which reduces agility; unnecessary transportation — unnecessary transportation of material between sites; overprocessing — processes longer or more complex than necessary; unnecessary inventory — buildup of work-in-process or raw materials; unnecessary movement — inefficient workplace; layout causing extra work; and too many defects — poor process quality and too much rework. This list was extended by Gartner and others to include an eighth waste: asset underutilization or other underutilization of resources. The eight wastes are often referred to by the acronym “DOWNTIME,” meaning “Defects, Overproduction, Waiting, Nonutilized resources, Transportation, Inventory, Motion and Excessive processing.”
Industry:Technology
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