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A for app
|abbreviation / acronyms||term||definition|
Current measurement unit
HTML tag, a link to another location
|A/N/K||alphabetic, numeric, katakana||Pertaining to alphabetic, numeric, or katakana characters.|
|a11y||accessibility||There are eleven letters between the "a" and the "y".|
|A2A||application-to-application||An approach to enterprise application integration that provides visibility into internal systems, so that these systems can share information or business processes.|
|AA||anti-aliasing||the technique of minimizing the distortion artifacts known as aliasing when representing a high-resolution signal at a lower resolution|
|AA||automated attendant||A device, typically attached to a private branch exchange or voice mail system, that answers incoming calls.|
|AAA||authentication, authorization, and accounting||
Also pronounced "triple a." Refers to a framework for intelligently controlling access to computer resources, enforcing policies, auditing usage, and providing the information necessary to bill for services.
Authentication is the process of identifying an individual, usually based on a username and password.
Authorization is the process of granting or denying a user access to network resources once the user has been authenticated through the username and password.
Accounting is the process of keeping track of a user's activity while accessing the network resources
|AAB||All-to-all broadcast||the process where every node broadcasts its information to all other nodes.|
Advanced Audio Coding
ATM access concentrator
an audio compression format newer and more efficient than MP3, used internally by iTunes and Nintendo Wii
A device used to concentrate a variety of services (such as frame relay, Internet Protocol and video) over a single ATM network access connection.
|AAL||ATM adaptation layer||The ATM layer where non-ATM data is converted to ATM format. The AAL serves as the "glue" that connects traditional packet and frame structures with short, fixed-length ATM cells.|
|AARP||AppleTalk Address Resolution Protocol||Provides for the dynamic assignment of node identifiers to nodes within an AppleTalk network.|
|AAS||Auto Area Segmentation||Scanner technology which detects and optimizes text and graphics on the same page by Epson.|
|AAT||Average Access Time||The average amount of time it takes for a storage peripheral to transfer data to the CPU.|
|AAUI||Apple Attachment Unit Interface||A 14-position, 0.050-inch-spaced ribbon contact connector.|
|ABAP||Advanced Business Application Programming||Powerful programming language created specifically for developing SAP applications. The core development tool in SAP's R/3 system.|
An approach to understanding where and why costs are incurred within an enterprise.
First digital calculating machine that used vacuum tubes
Absent By Enforced Net Deprivation
A type of system error in which a task or program fails to execute properly (i.e., "abnormally ends"). The term is also used as the name for a type of error message that indicates such a failure has occurred.
Sent in e-mail subject lines warning friends and others of forced loss of Internet access
|ABI||application binary interface||A set of specifications that enables an application written for one target OS and hardware platform to run on a different OS and platform, where the two hardware platforms share the same processor type.|
|ABLE||Agent Building and Learning Environment||A Java framework and toolkit for constructing and deploying intelligent agents.|
|ABM||activity-based management||The use of ABC principles in the ongoing management of costs and resources.|
|ABME||asynchronous balanced mode extended||In communications, an operational mode in which modulus 128 sequence numbers are used.|
|ABR||Automatic Baud Rate detection||The process in which a receiving device examines the first character of an incoming message to determines its speed, code level, and stop bits.|
|ABR||available bit rate||An ATM service category. ABR service is conceptually similar to that of a frame relay network - a minimal cell rate is guaranteed, and bursts can be supported if the network resources allow it.|
|ACA||Australian Communications Authority||The Australian government body that regulates the nation's communications industries.|
|ACAP||Application Configuration Access Protocol||a standard for accessing program configuration information from a remote server, allowing a user to use and change their configuration from any workstation by reading or writing the values on a central server. Defined in RFC 2244.
|ACC|| Adaptive Cruise Control
Authorization Contract for Containers
|Adaptive Cruise Control
Specification (JSR-115) that defines new java.security.Permission classes to satisfy the J2EE authorization model
|ACCU||Association of C and C++ Users||A worldwide association of people who are interested in C, C++, and related programming languages.|
Automatic Call Delivery
automatic call distributor or distribution
feature that allows cellular & wireless phones to receive incoming calls when roaming.
specialized phone system that handles many incoming calls. ACDs are used for a variety of order-taking functions, such as calls to help desks or dispatching of service technicians.
|ACDI||Asynchronous Communications Device Interface||A software device that permits asynchronous transmission, a way of transmitting data in which one character is sent at a time, and there may be uneven amounts of time between characters.|
access control entry
Adobe Certified Expert
Agile Communication Environment
a set of identities and permissions that are directly associated with a particular resource. Each access control entry is directly associated with only one resource. More than one ACE can be associated with each resource.
a professional who has demonstrated proficiency with one or more Adobe software products.
A high-end processor technology introduced by Hitachi in the 1990s.
Nortel SIP-based platform acquired by Avaya
|ACEE||access control environment element||In RACF, a control block containing details of the current user, including user ID, current connect group, user attributes, and group authorities.|
|ACF||Advanced Communications Function||A family of IBM communications programs that handle tasks such as resource sharing and distribution of functions. They include ACF/Virtual Telecommunications Access Method (ACF/VTAM) and ACF/Network Control Program (ACF/NCP).|
|ACF2||Access Control Facility 2||A host-based security subsystem from CA (formerly Computer Associates); also known as CA-ACF2.|
|ACG||adaptive code generation||A technology that enables a program that uses processor features of a given system model to continue to work correctly when the program is moved to another system model that does not have all the processor features of the original model.|
|ACH||automated clearinghouse||A type of funds transfer network that processes debit and credit transactions between accounts from participating financial institutions.|
|ACI||access control information||Data that identifies the access rights of a group or principal.|
|ACID||atomicity, consistency, isolation, durability||Four well-established tests for verifying the integrity of business transactions in a data-processing environment.|
|ACK||acknowledgement||When a modem receives a data packet, it sends a signal back to the sending modem. If all the data is present and correct, it sends an ACK signal, which acts as a request for the next data packet.|
Access control list
application connectivity link
Asianet Communications Limited
Asynchronous Connectionless Link
A list of authorised users, processes or systems.
A service that transmits out-of-band information between DirectTalk and the Siemens Hicom 300 switch.
an Indian media conglomerate jointly owned by STAR TV and Jupiter Entertainment.
type of data packet (data only).
|ACM||Association for Computing Machinery
Address Complete Message
| a worldwide association of
computer professionals headquartered in the United States. www.acm.org
Address Complete Message
|ACMS||Application Control and Management System||A transaction-processing monitor from Compaq (now part of Hewlett-Packard); originally a product of Digital Equipment, which Compaq acquired in 1998.|
|ACP||array control processor||A type of processor used in storage systems.|
|ACPI||Advanced Configuration and Power Interface||A standard developed by Intel, Microsoft and Toshiba to improve PC power management and plug-and-play capabilities.
Allowed Cell Rate
An ABR service parameter, ACR is the current rate in cells/sec at which a source is allowed to send.
A measure of signal quality in network cabling.
|ACRI||additional coding-related required information||A specification that is required by an encoding scheme to complete its definition, which extends beyond the character set and code page elements.|
|ACROSS||Automated Cargo Release and Operations Service System||Automated Cargo Release and Operations Service System|
|ACS||Affiliated Computer Services, Inc||Xerox Corp.'s $6.4 billion acquisition of Affiliated Computer Services Inc.|
|ACSE||Association Control Service Element||The method used in International Organization for Standardization's OSI for establishing a call between two applications.|
|ACSLS||Automated Cartridge System Library Software||A Unix-based tape-library-sharing system from Storage Technology.|
|ACT||access control template||a reusable named authorization pattern that you can apply to multiple resources. An access control template consists of a list of users and groups and indicates, for each user or group, whether permissions are granted or denied.|
|ACU||abstract code unit||A measurement used by the z/OS XL C/C++ compiler for judging the size of a function. The number of ACUs that comprise a function is proportional to its size and complexity.|
The directory service portion of the Windows 2000 operating system. AD manages the identities and relationships of the distributed resources that make up a network environment.
Defined in RFC 1136. On the Internet, a group of networks, hosts, and routers operated by the same organization.
|ADAPT||Architecture, Design, Analysis and Planning Tool||Architecture, Design, Analysis and Planning Tool|
|ADB||Apple Desktop Bus||Port on the Macintosh for a keyboard, a mouse, and other peripherals.|
Advanced Direct Connect
Analog to Digital Converter
automated data collection
a peer-to-peer file-sharing protocol, based on the topology of the Direct Connect (DC) protocol.
Often referred to A/D, the analog to digital converter is an electronic device that transforms the analog signal to digital signal, helping interconnecting the two kinds of technology/gear.
The automated conversion of disparate types of information into computer records. ADC devices and technologies include bar code systems, optical character recognition and speech recognition.
|ADCCP||Advanced Data Communications Control Procedures||A bit-oriented, ANSI-standard communications link-layer protocol.|
Application Discovery and Dependency Mapping
Automatic Database Diagnostic Monitor
analyzes the data in Oracle’s Automatic Workload Repository (AWR) to discover the actual cause behind performance problems
Application Data Export
application development environment
Technology by Oracle Databases
An product that offers a range of tools or features (for example, for programming, interface development and testing) to provide a complete "environment" for developing applications.
Activity Decision Flow
Application Development Facility
automatic document feeder
The format in which models are exported from WebSphere Business Integration Workbench into WebSphere Business Modeler.
An IBM program for developing IMS applications
a device for feeding documents into a SCANNER automatically, sheet by sheet
|admin||ADMINISTRATOR||the account name used by the system administrator under Windows NT and its successors|
Analog Devices, Inc.
Application Desktop Integrator
leader in high performance signal processing solutions http://www.analog.com/
Spreadsheet-based extension of Oracle Applications. It provides full-cycle accounting within the comfort and familiarity of a spreadsheet for General Ledger and Oracle Assets
|ADK||Additional Decryption Key||Key to be able to decrypt data even if the private key owner is unwilling to provide the private key|
|ADL||Advanced Distributed Learning||A set of standards designed to facilitate the sharing of learning objects across different learning management systems.|
Agile development management
Agile development management
Oracle Siebel's product that reduce the deployment efort and application downtime and to increase the application deployment quality
|ADMD||Administration Management Domain or Administrative Management Domain||A public e-mail message service that uses the X.400 protocol.|
|ADMF||Asynchronous Data Mover Facility||A IBM mainframe feature designed to enhance system performance in data moves between central and expanded storage.|
|ADN||Advanced Digital Network
application delivery networking
|ADN refers to a 56Kbps leased-line.
ADN is an approach and a suite of technologies that comprises application security, application acceleration and network availability.
|ADO||ActiveX Data Objects||A high-level data access object model introduced by Microsoft in 1996.|
|ADP||Accidental Damage Protection||A hardware support agreement covering physical damage to aproduct caused by or resulting from a fortuitous incident. Accidents covered include liquid spills, drop impact, electrical surges, and accidental breakage.|
|ADPCM||adaptive differential pulse code modulation||A speech-coding method that calculates the difference between two consecutive speech samples in standard pulse code modulation (PCM) coded telecommunications voice signals.|
Active Directory Service
Asynchrous Data Switching
Windows 2000 network objects database that stores each specific network item in a central database and that may be replicated
A PBX system that supports asynchronous data.
Active Directory Services Interface
Analog Display Services Interface
A Microsoft Active Directory feature that enables Windows 2000 applications to interact with other directory services without the need to know the details of the underlying protocols.
Protocol that simplifies use of advanced features by displaying text messages, generated by a remote computer or central office switch, on a user's telephone display or television set.
|ADSL||Asynchrous Data Switching Line||
A digital local loop using copper facilities and providing greater bandwidth in one direction than the other.
|ADSM||ADSTAR Distributed Storage Manager||An IBM product which provides services for backing up, archiving and restoring data files by allowing a central workstation to act as a server for networked workstations and personal computers.|
|ADSR||Attack, Decay, Sustain, Release||the four parameters in a basic synthesizer. While Sustain is a level control, the Attack, Decay and Release are time and ratio-dependant parameters. When a key is pressed, the Attack determines the ratio with which it reaches a top level and the begins to fall at the ratio of the Decay parameter down to the level set by the Sustain value.|
|ADSTAR||Automated Document Storage and Retrieval||IBM's name for its storage products business in the 1990s.|
Abstract Data Type
admission, discharge and transfer
application deployment template
a class of data structures described by means of a set of operations rather than by physical representation, such as a class in object-oriented programming.
A category of hospital software. An ADT system records admissions to, discharges from and transfers within a hospital, and maintains the hospital census.
A combination of the logical deployment template and the network topology template that describes the deployment of application modules on servers and clusters.
|ADTG||Advanced Data Table Gram||Microsoft Proprietary binary format for storing database data|
|ADUC||Active Directory Users and Computers||A snap-in in the Microsoft Management Console (MMC)|
|AEC||Architecture, Engineering, Construction||A computer graphics market requiring specialized applications that facilitate efficient planning, design, drafting, and analysis.|
Advanced Encryption Standard
A competition is currently underway to define a public 256-bit symmetric encryption algorithm that will replace DES (Data Encryption Standard).
Using AF, a provider may offer different levels of service for IP packets received from a customer domain. Each AF class is allocated a specified amount of buffer space and bandwidth
a frequency within the range of human hearing, 20 to 20,000 hertz
|AFC||antiferromagnetically coupled||A type of storage media that uses an advanced magnetic coating expected to dramatically increase HDD capacity. IBM shipped the first AVC-based storage products in 2001.|
|AFI||Authority and Format Identifier||This identifier is part of the network level address header.|
|AFIS||Automated Fingerprint Identification System||
a biometric ID methodology that uses digital imaging technology to obtain, store, and analyze fingerprint data. The AFIS was originally used by the U.S. Federal Bureau of Investigation (FBI) in criminal cases.
|AFK||Away From Keyboard||An example of Internet shorthand used in chat rooms, E-Mail, and instant messages.|
|AFM||Atomic Force Microscope||a powerful tool to manipulate matters at the nanoscale. It is today used for imaging a wide range of surfaces such as glass, composites, ceramics, polymers and biological samples. AFM finds increasing application in nanotechnology and biophysics.|
Advanced Function Printing
Apple Filing Protocol
An IBM all-points-addressable enterprisewide print architecture.
A client/server protocol used by Apple file service to share files and network services. AFP uses TCP/IP and other protocols to support communication between computers on a network.
|AFL||Academic Free License||permissive free software license written in 2002 by Lawrence E. Rosen|
|AGC||Automatic Gain Control||Most often used in audio circuits; an electronic circuit which automatically increases the volume when someone is speaking quietly and drops the volume when someone is speaking loudly, to keep the transmitted signal constant.|
|AGP||Accelerated Graphics Port||An Intel technology for desktop systems. It increases system performance by offloading graphic requirements from the system bus to a bus dedicated to video processing.|
|AHCI||Advanced Host Controller Interface||an interface specification that allows the storage driver to enable advanced SATA features such as Native Command Queuing and hot plug.|
|AHP||analytical hierarchy process||A process that uses hierarchical decomposition to deal with complex information in multicriterion decision making, such as information technology vendor and product evaluation.|
AI is an ISDN term
AI is a draw program for Macintosh and Windows. It is especially useful for technical drawing.
AI is the use of computers to simulate human thinking. Artificial intelligence is concerned with building computer programs that can solve problems creatively
|AIA||Application Integration Architecture||Application Integration Architecture|
|AID||attention identifier||A character in a data stream that is sent to the host system when a display station user presses an AID key. Typical AID keys are function keys or the Clear, Enter, Page Up, Page Down, Help, Print, and Home keys.|
|AIM||AOL Instant Messenger||an application that allows computer users to correspond with friends while online|
|AIN||Advanced Intelligent Network||Introduced by AT&T Network Systems in 1991, AIN enables service providers to define, test and introduce new multimedia messaging, personal-communication and cell-routing services.|
|AIO||all in one||These are printers that are a combination of various devices in one machine, including printer, scanner, fax machine and copier.|
|AIOD||Automatic Identified Outward Dialing||An option on a PBX that specifies the extension number instead of the PBX number on outward calls. Used for internal billing.|
|AIP||Advanced Inspection and
|Cisco ASA add-in modules|
|AIR||Additive Increase Rate||An ABR service parameter, AIR controls the rate at which the cell transmission rate increases. It is signaled as AIRF, where AIRF = AIR*Nrm/PCR.|
|AIT||Advanced Intelligent Tape||An eight-millimeter helical-scan tape drive designed and manufactured by Sony. Sony has differentiated its AIT drive from other 8-millimeter tape drives with a unique media feature on the tape cartridge called memory in cassette (MIC).|
|AIX||Advanced Interactive Executive||
AIX is an operating system developed by IBM and is in fact Unix-based.
|AJP||Apache JServ Protocol||Binary, packet-oriented protocol bridging the web server with the servlet container. The web server attempts to maintain persistent TCP connections to the servlet container, and to reuse a connection for multiple request/response cycles|
|AL PA||Arbitrated Loop Physical Address||In Fibre Channel transmissions, an 8-bit value used to identify a participating device in an arbitrated loop.|
|ALET||access list entry token||A token that serves as an index into an access list.|
|ALG||Application Layer Gateway||Used in conjuction with NAT to allow IP address translation|
|ALGOL||ALGOrithmic Language||a pair of programming languages that had a strong impact on programming language design.|
|ALI||Application layer interface||
The ALI forms the interface for the application layer in the OSI reference model. It provides a clearly defined separation of communication and application
Application Life Cycle Management
Asset Lifecycle Management
Asynchronous Line Multiplexer
the facility for common process workflow and consolidation of planning, management, measurement and reporting of work item activities in the development process.
Asset Lifecycle Management
A device that connects multiple terminals or other serial interface devices to Sun network file servers or workstations. Also known as "multiple terminal interface."
|ALP||Application Layer Program / Protocol||A program or network protocol at the Application Layer|
|ALSA||Advanced Linux Sound Architecture||Linux kernel component intended to replace the original Open Sound System for providing drivers for sound cards.|
Used in an HTML tag for the benefit of people using nongraphical browsers, or for people using a browser with graphics turned off.
A top-level category of "alternative" USENET newsgroups.
The Alt key on the keyboard of PC compatibles, typically used in conjunction with other keys.
arithmetic logic unit
A leader in fixed, mobile and converged broadband networking, IP and optics technologies, applications and services www.alcatel-lucent.com
A CPU's core element, which carries out arithmetic computations.
|AM||Amplitude Modulation||A particular technology, most commonly used in radio broadcasting, where blending a modulated signal into a carrier wave by varying the amplitude of the carrier creates the final transmit frequency.|
|AMA||automatic message accounting||A function that automatically documents billing data related to subscriber-dialed long-distance calls.|
|Amanda||(formerly) Advanced Maryland Automatic Network Disk Archiver||an open source computer archiving tool that is able to back up data residing on multiple computers on a network. http://www.amanda.org/|
Active Matrix Display
Advanced Microchip Devices
LCD technology, used for computer screens, in which there is a transistor for each pixel, which prevents losing image quality between scans.
A semiconductor manufacturer and is a major competitor of Intel. They manufacture the Athlon, Duron, and K6 CPU chips. www.amd.com
SOA tools that automate models and rules
|AME||Advanced Metal Evaporated||A media formulation manufactured by Sony for use in its consumer and computer product lines.|
|ami||Analyze, Metricate, Improve||A method for software project management and process improvement.|
Alternate Mark Inversion
Application Messaging Interface
Line coding format used on T1 facilities that transmits ones by alternate positive and negative pulses.
The programming interface provided by WebSphere MQ that defines a high level interface to message queuing services.
Astronomical Markup Language
Verify the identity of any person seeking to open an account, determine the source and destination of their funding, and check the account opener's name against any government-provided lists of known or suspected terrorists or terrorist organizations.
A standardized format for exchange of metadata related to astronomy. This language will enhance the ability of astronomers to retrieve scientific data, and make it possible for humans and intelligent agents to use the same information.
|AMMA||Advanced Memory Management Architecture||Strategies for providing sufficient memory to all the processes in a computer system, performed by the memory management unit.|
a measurement of electrical current. One coulomb flowing per second.
a term used for devices that increase output of sound or electrical voltage or current.
an option built into many current operating systems to share CPU functions between two mirrored servers.
|AMPS||Advanced Mobile Phone System||The original standard specification for analog systems. Used primarily in North America, Latin America, Australia and parts of Russia and Asia.|
Audio Modem Riser
Automatic meter reading
an Intel specification that defines a new architecture for the design of motherboards.
the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (water, gas, electric) and transferring that data to a central database for billing, troubleshooting, and analyzing.
|AMRF||Action Message Retention Facility||A z/OS facility that, when active, retains all action messages except those specified by the installation.|
|AMS||access method services
Application Management Services
|A multifunction utility named IDCAMS that is used to manage catalogs, devices, and both VSAM and non-VSAM data sets.
Application Management Services
Active Management Technology
address mapping table
Allows the IT team to better discover, heal, and protect their networked computing assets
A table that provides a current mapping of node addresses to hardware addresses.
|AMTA||American Mobile Telecommunications Association||AMTA represents and promotes the interest of specialized wireless communications, meeting the educational, informational and regulatory needs of licensees and related businesses. See them at AMTAUSA.ORG.|
|ANDF||Architecture-Neutral Distribution Format||an emerging OSF standard for software distribution. Programs are compiled into ANDF before distribution, and executables are produced from it for the local target system.|
|ANI||Automatic Number Identification||The number associated with the telephone station from which switched calls are originated or terminated.|
|Anon FTP||Anonymous FTP||A method for downloading and uploading files using FTP protocol without having a username or a password. In place of a username, word "anonymous" is used, and in place of a password, email address is usually used.|
|ANOVA||analysis of variance||A form of statistical analysis.|
|ANR||automatic network routing||In High-Performance Routing (HPR), a highly efficient routing protocol that minimizes cycles and storage requirements for routing network layer packets through intermediate nodes on the route.|
|ANSI||American National Standards Institute||the main industrial standardization organization in the United States. There are official ANSI standards in almost all industries, and many of them have to do with computers. www.ansi.org|
|ANX||Automotive Network Exchange||Established by the Automotive Industry Action Group to offer extranet-based applications to suppliers of Chrysler, Ford and General Motors.|
|AOA||angle of arrival||Based on triangulation, a method of processing cellular phone signals, AOA allows the physical position of switched-on wireless devices to be located.|
|AOCE||Apple Open Collaboration Environment||Macintosh System 7 extensions that make it possible to share e-mail, directory, and other services in a multiplatform environment.|
|AoE||Ata Over Ethernet||Network protocol designed for simple, high-performance access of SATA storage devices over Ethernet networks. It gives the possibility to build SANs with low-cost, standard technologies|
Advanced Open File
application object file
Backup exec option backs up open files during a backup job
An ASCII text file that contains the names of the global description file and the component description files, which together describe the management characteristics of an application.
|AOL|| America Online
Application Object Library
| AOL is founded in 1985, America Online, based in Dulles, Virginia, has become the world's leader in interactive services, Web brands, Internet technologies, and e-commerce services.
AOL stand for Application Object Library
|AOR||Address of Record||
An SIP term, an AOR provides a single public address for all telecommunications. The AOR can be mapped across multiple devices and media types.
|AP||access point||a hardware device or a computer's software that acts as a communication hub for users of a wireless device to connect to a wired LAN. APs are important for providing heightened wireless security and for extending the physical range of service a wireless user has access to.|
|APA||all-points addressable||Able to address, reference, and position text, overlays, and images at any defined position or picture element (pel) on the printable area of the paper.|
|APaaS||application platform as a
|application platform as a service|
|APACS||Association for Payment Clearing Services||The organization that manages U.K. payment systems.|
|APaRT||automated packet recognition/translation||Technology that allows a server to be attached to CDDI or FDDI without requiring the reconfiguration of applications or network protocols.|
asynchronous procedure call
American Power Conversion
Antenna Phase Center
A kernel-defined control object which represents a procedure that is called asynchronously within a particular thread context.
American Power Conversion
A theoretical point in the guidance receiver for which a position is derived.
|APDU||application-layer protocol data unit||In OSI, a protocol data unit in the application layer.|
|APF||Automated Purposing Framework||Collection of scripts and utilities that enable you to consistently and reliably prepare computer hardware (BIOS, mass storage) and install the Windows operating system and layered products on one or more build computers|
Application Programming InterfaceAdvanced Photonix, Inc
An interface to a computer operating system or software program that gives other programs access to functions similar to those offered to users through a graphical user interface.a leading supplier of opto-electronic solutions and Terahertz sensors and instrumentation to a global OEM ...advancedphotonix.com/
Active policy management
Advanced Power Management
application performance management
analyzes unstructured content in documents and e-mails, and applies the appropriate rules for access, life cycle management and oversight.
A feature from Intel and Microsoft for battery-powered computers, which powers-down or the display when the computer has been inactive for a certain length of time in order to conserve power.
application performance management
|APML||Attention Profiling Markup Language||used to consolidate and aggregate individual users' ranked interests|
|APNIC||Asia Pacific Network Information Center||Nonprofit Internet registry organization for the Asia Pacific region. The other Internet registries are currently IANA, RIPE NCC, and InterNIC. http://www.apnic.net/|
|APO||Advanced Planner and Optimizer||A supply-chain-planning suite from SAP.|
|APOP||Authenticated Post Office Protocol||similar to the POP protocol except that APOP enables your password to be encrypted while being transmitted over the network.|
|APOT||Alternate (Additional) Point of Termination||form identifies specific collocation terminations at the ICDF frame where the CLEC "UNE termination cables" are terminated. These terminations are used for the purpose of ordering UNEs, Ancillary Services, or Finished Services.|
|app||application||a computer program that performs useful work not related to the computer itself. Examples include WORD PROCESSORs, PRESENTATION GRAPHICS programs|
|APPC||Advanced Program-to-Program Communication||The programming interface to LU 6.2, IBM's protocol for peer-to-peer program communication under SNA.|
|APPN||Advanced Peer to Peer Networking||IBM data communications support that routes data between Advanced Peer-to-Peer Communication (APPC) systems to enable users anywhere on the network to have direct communication with each other.|
|APR||Apache Portable Runtime||Its mission is to provide a free library of C data structures and routines, forming a system portability layer to as many operating systems as possible, including Unices, MS Win32, BeOS and OS/2|
advanced planning and scheduling
Automatic Protection Switching
A subcomponent of supply chain planning (SCP) that focuses on manufacturing planning and scheduling.
A mean for automatically detecting and signalling a transmission link failure
|APWG||Anti-Phishing Working Group||
an international membership organization that seeks to eliminate fraud based on attacks from phishing and e-mail spoofing. These attacks hurt legitimate businesses as the attackers fraudulently use the identity of an established organization in their attack.
|AQCB||Automated Quote Contract Billing||System used to price non-tariffed products and services.|
The data rate of the user access channel. The rate (maximum) at which access devices can offer data to the frame relay network
a technology that superimposes graphics, audio and other
virtual enhancements over a live view of the real world. It is this "real world" element that
|ARA||Apple Remote Access||Communication software designed to offer remote access to an AppleTalk-compatible network via an ARA server.|
|ARAD||architected rapid application development||SOA tools that automate models and rules|
|ARAG||AntiReflection AntiGlare||There are add-on screens for monitors that eliminate screen glare and protect the user’s eyes.|
|ARC||Ames Research Center
|NASA facility is charged with the mission of assisting with better life quality on earth, human exploration, space travel and the search for life on other planets. www.nasa.gov/centers/ames
|ARCNET||Attached Resource Computer NETwork||a LAN protocol, similar in purpose to Ethernet or Token Ring.|
|ARD||Automatic Ring Down||Private line connecting a station instrument in one location with a station instrument in another location. When station one is off hook, station two rings. Also called "hot line".|
|ARIA||Accessible Rich Internet Applications||ARIA, also WAI-ARIA, defines a way to make Web content and Web applications more accessible to people|
|ARIN||American Registry for Internet Numbers||the Internet registry service for North and South America, as well the Carribean and sub-Saharan Africa. http://arin.net/|
|ARL||ABLE Rule Language||A rule-based programming language that is used to express business logic outside of program logic. ARL provides tight integration with Java objects, and the tooling provided with ABLE is based on the Eclipse platform.|
|ARM||Advanced RISC Machines
Asynchronous Response Mode
Active Registry Monitor
|a RISC processor find most of their use on hand-held machines and PDAs. Currently owned by Intel, and currently produced by both the above and Digital/Compaq.
Asynchronous Response Mode
Active Registry Monitor
|ARP||Address Resolution Protocol||A method for finding a host's Ethernet address from its Internet address. It works like this: The sender broadcasts an ARP packet containing the Internet address of another host and waits for it to send back its Ethernet address.|
|ARPANET||Advance Research Projects Agency Network||A packet-switched network developed in the early 1970s. The “father” of today’s Internet. ARPANET was decommissioned in June 1990. http://www.arpa.mil/|
|ARQ||automatic repeat request||A modem status signal indicated by a light on the modem; in cases of transmissions errors, the ARQ is a request to the sender to retransmit.|
Action Request System
automatic route selection
call tracking and resolution software provided by BMC Software
Device (or software) which chooses the lowest cost route for long-distance calls over specific lines or services, including WATS, leased, specialized non-Bell common carriers or direct distance dialing (DDD).
|ART||Additional Reference Transmission||ART is carrier term|
|ARTS||Association for Retail Technology Standards||Data Model standard|
|ARu||audio response unit||Output device which provides a spoken response to digital inquiries from a telephone or other device. The response is usually assembled by a computer from a prerecorded vocabulary of words.|
|AS/400||Application System/400||A midrange computer system introduced by IBM in 1988 as a replacement for its System/36 and System/38 product families.|
|AS2||Applicability Statement 2||
a specification for EDI between businesses using the Internet's Web page protocol, HTTP. The specification is an extension of the earlier version, Applicability Statement 1 (AS1).
|ASA||average speed of answer||A standard quantitative method for measuring the speed at which call center calls are answered.|
|ASBR||Autonomous System Boundary Router||ASBRs run both OSPF and another routing protocol, such as RIP. ASBRs must reside in a nonstub OSPF area.|
|ASC||Abstract Syntax Checker||In OSI, a utility program for OSI Communications Subsystem that processes user-specified ASN.1 statements|
American Standard Code for Information Interchange
pronounced as-kee, standard way of encoding characters into digital codes. An ASCII file is taken to mean a text file containing unformatted text that is, characters but not information about fonts, sizes and so on.
|ASCL||Asianet Satellite Communications Limited||dataline, broadband internet, leading ISP in kerala. asianet.co.in|
Adaptive Server Enterprise
application service element
relational database management system product of Sybase Corporation, is a direct descendant of Sybase SQL Server.
A set of functions in the application layer of OSI that provides a capability for the interworking of application entities for a specific purpose on a single application association.
Advanced Streaming Format
Automatic Sheet Feeder
set of standards from Microsoft that is utilized in WMP7 technology.
The technology dictates the different ways printers feed paper. Dot matrix printers usually run on a continuous Web of paper while laser printers or ink jet type printers are generally single sheet. They are also often referred to as page printers.
|ASIC||Application-Specific Integrated Circuit||A chip with custom-built hardware circuits for a particular set of functions. ASICs are commonly used in networking devices to maximize performance and provide integration of multiple functions into a single chip.|
|ASIF||access security information field||In SNA, a field within Function Management Header Type 5 (FMH-5), which is used to convey security information.|
|ASIS||access security information subfield||In SNA, a subfield within Function Management Header Type 5 (FMH-5), which is used to convey security information.|
|ASK||Anomalous State of Knowledge||ASK is a programming term|
|ASLR||Address Space Layout Randomization||a process which entails arranging the positions of major data areas randomly in virtual address space. Microsoft's Windows Vista and Windows Server 2008 have ASLR enabled by default|
|ASLS||Analog Single Line Station||a telephony term. An extension port on a PABX/KSU that will allow a standard household type phone to interface with the system.|
Automatic Storage Management
Anti machine data memory including data counters to be programmed by flowware to generate the data streams at run time.
Oracle 10g database feature that provides the database administrator with a simple storage management interface that is consistent across all server and storage platforms
|ASML||originally ASM Lithography (ASM for Advanced Semiconductor Materials)||largest supplier in the world of photolithography systems for the semiconductor industry, founded in 1984 as a joint venture between the Dutch companies Advanced Semiconductor Materials International (ASMI) and Philips. www.asml.com|
|AS||Activesync||AS is Microsoft software|
|AS / ASN||autonomous system (number)||A number assigned to a local network, registered into the carrier's routing community and placed under the umbrella of an administrative domain called an autonomous system|
|ASN||Abstract Syntax Notation||The International Organization for Standardization's OSI language for describing abstract syntax.|
|ASN.1||Abstract Syntax Notation One||In OSI, a notation for defining data structures and data types. The notation is defined in international standards ISO 8824/ITU X.208 and ISO 8825/ITU X.209.|
|ASO||Address Supporting Organization||
ICANN Supporting Organization responsible for reviewing and developing recommendations on IP address policy
Abstract Service Primitive
Active Server Pages
Application Server Process
Application Service Provider
Aspect Oriented Programming
Average Selling Price
Implementation-independent description of interaction between service-user and service-provider at particular service boundary, as defined by OSI.
a Microsoft technology, allows programmers to develop custom code that works with Microsoft's IIS.
Application Server Process
Sometimes refered to as an "app-on-tap," this is a third-party company that distributes software-based services from a central location to customers in other locations.
Aspect Oriented Programming
This term is used in the microchip manufacturing world. Companies like AMD and Intel strive for high ASPs. The ASP is an indication not only of direct profits, but how well a company is keeping up with the technology curve.
|ASPI||Advanced SCSI Programming Interface||An interface from Adaptec that allows application programs to access SCSI hardware. See SCSI.|
|ASPX||Active Server Pages eXtended||Dynamic web pages engine for the Microsoft .NET framework|
|ASR||Access Service Request
Automatic Speech Recognition
Automated System Recovery
|Access Service Request
Automatic Speech Recognition
Automated System Recovery
Automated Software Quality
The use of software tools, such as automated testing tools, to improve software quality.
Automatic Send and Receive
automatic speech recognition
Automated system recovery
Any one of several devices designed to transmit and receive data unattended, in contrast with RO, "receive only" devices.
Another name for speech recognition technology.
One of several backup mechanisms on Windows XP. ASR is intended to be taken infrequently, whenever there are changes in the system.
|ASV||Approved Scanning Vendor||Company approved by the PCI SSC to conduct external vulnerability scanning services.|
|AT||Advanced Technology||the class of IBM PCs originally introduced in 1984 using the 80286 microprocessor and a 16-bit bus|
|AT&T||American Telephone And Telegraph||The USA's major common carrier for long distance telephone lines.|
Actual Time of Arrival
Advanced Technology Attachment
Analog Telephone Adaptor
Actual Time of Arrival
An integrated bus usually used between host processors and disk drives. Used interchangeably with IDE.
connects the conventional telephone to the Internet, converts the analog voice signals into IP packets, delivers dial tone and manages the call setup.
|ATAG||Authoring Tool Accessibility Guidelines||W3C recommendation that explains how to develop authoring tools that make it easier to produce accessible Web pages that conform to the Web Content Accessibility Guidelines (WCAG)|
|ATAPI||AT Attachment Packet Interface||A hardware and software specification that documents the interface between a host computer and CD-ROM drives using the ATA bus.|
|ATB||all trunks busy||A single tone interrupted at a 120 impulses per minute (ipm) rate to indicate all lines or trunks in a routing group are busy.|
|ATCA||Advanced Telecom Computing Architecture||
ATCA provides the telecommunications industry with an opportunity to adopt a standard architecture for a broad spectrum of products, including wireless access, wireless core networks, and IP Multimedia Subsystem IMS network elements.
advanced technology group
Art Technology Group
A group charged with researching, tracking and evaluating emerging technologies for an enterprise, and with prototyping and piloting advanced-technology projects prior to deployment.
A developer of online customer relationship management applications, headquartered in Cambridge, Massachusetts.
Allied Telesyn International
Networking hardware manufacturer
Active Template Library
automated tape library
A group of routines provided by Microsoft that can be used to help more easily create ASP, ActiveX, and COM objects in C++.
A system used for high-capacity, tape-based data storage. ATLs typically have dozens of drives and can accommodate hundreds tape cartridges.
|ATLAS||Authorization Token Layer Acquisition Service||Describes the service needed to acquire authorization tokens to access a target system using the CSIv2 protocol. This design defines a single interface with which a client acquires an authorization token|
Adobe Type Manager
asynchronous transfer mode
automated teller machine
a software program or system extension manufactured by Adobe Systems that is used to enhance the display of screen fonts on computer monitors,
a transfer mode for switching and transmission that efficiently and flexibly organizes information into cells. It is asynchronous in the sense that the recurrence of cells depends on the required or instantaneous bit rate.
A public banking machine that customers can access by inserting or swiping a magnetic card and entering a password.
|ATO||assemble to order||A strategy allowing a product or service to be made to meet the custom requirements of a specific order, where a large number of such customized products can be assembled in various forms from common components.|
Any Transport over MPLS
a technology developed by Cisco for transporting Layer 2 packets over an IP/MPLS backbone.
Atom is the name of an XML-based Web content and metadata syndication format, and an application-level protocol for publishing and editing Web resources belonging to periodically updated Web sites.
AppleTalk Transaction Protocol
available to promise
In AppleTalk networks, a protocol that provides client/server request and response functions for hosts accessing the ZIP for zone information.
The uncommitted portion of a company's inventory or planned production. This figure is frequently calculated from the master production schedule and is maintained as a tool for order promising.
|ATPCO||Airline Tariff Publishing Company||
The central database where airlines file and publish their fares
|ATRAC||Adaptive TRansform Acoustic Coding||Audio compression algorithm, introduced by Sony for its Mini Disk, which relies on the masking of low-amplitude frequency components by temporaly adjacent high-amplitude components|
|ATRN||Authenticated Turn||Authenticated Turn|
|ATS||Abstract Test Suite
Applications Technology Satellite
Air to Surface
|Abstract Test Suite
Applications Technology Satellite
Air to Surface
|ATSC||Advanced Television Systems Committee||an international, non-profit organization developing voluntary standards for digital television.|
|ATTIS||AT&T Information Systems||A division of AT&T Technologies that supplies and manufactures CPE.|
|ATU-C / ATU-R||ADSL Transmission Unit, Central or Remote||Device at end of ADSL line that stands between line and first item of equipment in subscriber premises or telephone switch. May be integrated within access node.|
|ATUL||ADSL Termination Unit Remote||ATUR is the ADSL modem or PC card that physically terminates an ADSL connection at the end user’s location.|
|ATVEF||Advanced TV Enhancement Forum||A standard for creating enhanced, interactive television content and for delivering that content to a range of television, set-top, and PC-based receivers (http://www.atvef.com).|
|ATX||Advanced Technology eXtended||A particular set of characteristics defining a generic type of motherboard, power supply and chassis combination. The definition came from Intel, along with a consortium of hardware and software makers to define the ability of the design.|
|AUDIT||AUtomated Data Input Terminal||AUtomated Data Input Terminal|
|AUI||Attachment Unit Interface||a device that contains a 15-bit pin, or socket, and is used to connect a NIC with a standard Ethernet cable.|
|AUIML||Abstract User Interface Markup Language||An XML implementation that provides a platform and technology-neutral method of representing windows, wizards, property sheets, and other user interface elements.|
|AUP||acceptable use policy||a policy that a user must agree to follow in order to be provided with access to a network or to the Internet.|
|AUTOEXEC||Automatic Execution||When a program is executed on it's own.|
|AUTONEG||Autonegotiation||a feature that determines link options and optimal settings for a given Ethernet connection. When AUTONEG is enabled, a network interface card or a switch port can determine the capabilities of the device at the far end of the link and select the best mode of operation.|
|AUV||Autonomous Underwater Vehicle||a robotic device driven through water by a propulsion system. AUVs are self-sufficient vehicles carrying their own energy source. The control of the vehicle is done using an onboard computer thus eliminating the need of operators located elsewhere.|
|AUX||auxiliary device||A peripheral device that may perform a useful function but is not necessary for the operation of the computer. Examples are printers, scanners, and modems.|
Audio Video or Visual
Anti Virus software
pertaining to the recording and reproduction of sounds and pictures
|AVD||alternate voice data||A single transmission facility which can be used for either voice or data.|
|AVED||AntiVirus Emergency Discussion list||
A mailing list for professional antivirus researchers allowing them to alert other researchers to emerging or ongoing 'crisis' or 'emergency' virus events.
|AVI||Audio/Video Interleaved||AVI is the most common format for audio/video data on the personal computer.|
|AVK||Application Verification Kit||Tool intended to help developers test their applications for correct use of J2EE APIs and portability across J2EE compatible application servers, and to help developers avoid inadvertently writing non-portable code|
|AVS||Application Visualisation System||a portable modular UNIX-based graphics package supported by a consortium of vendors including Convex, DEC, IBM, HP, SET Technologies, Stardent and WaveTracer.|
|AVST||Applied Voice & Speech Technologies Inc.||software company in the telecommunication industry http://www.avst.com/|
|AWD||Access Workflow Designer||Organize and track information|
|AVVID||Architecture for Voice, Video and Integrated Data||An architectural approach for integrating enterprise voice, video and data traffic over IP-based networks, introduced by Cisco Systems in 1999.|
|AWE||Advanced WavEffects||A series of sound cards from Creative Labs that includes the Sound Blaster AWE 32, the Sound Blaster AWE64, and the AWE64 Gold.|
Advanced Wireless Services
Amazon Web Services
Autonomous Web Services
| Amazon Web Services (AWS) delivers a set of services that together form a reliable, scalable, and inexpensive computing platform “in the cloud”. aws.amazon.com/
a collection of remote computing services
a next generation Web Services based on business process model harmonization among independent systems
|AWT||Abstract Window Toolkit||In Java programming, a collection of GUI components that were implemented using native-platform versions of the components. These components provide that subset of functionality which is common to all operating system environments.|
|a+||Pronounced A plus, a certification developed by the Computing Technology Industry Association (CompTIA) to validate vendor-neutral skills for entry-level computer technicians. Holders of the A+ certification have been trained in installing, repairing, troubleshooting, maintaining, customizing and operating PCs.|
|AC97||The popular audio system from Realtek.|
|acoustic coupler||A special type of modem that converts acoustic energy (sound waves) into electrical energy, allowing a standard telephone handset to be attached to a computer or data terminal for data transmission.|
|ActiveX||A Microsoft technology that facilitates various Internet applications, and therefore extends and enhances the functionality of Microsoft's Internet Explorer browser. Like Java, ActiveX enables the development of interactive content.|
|Activity Streams||a publish/subscribe notification mechanism that provides frequent updates to subscribers about the activities or events that relate to another individual.|
|Ada||a programming language developed in the late 1970s for the U.S. Department of Defense.|
|Ad Hoc Network||A decentralized wireless network in which each node is capable of forwarding data to other nodes without relying on an established access point. An ad hoc network can be created spontaneously as needed and requires no permanent infrastructure.|
|Adwords||an advertising service by Google for businesses wanting to display ads on Google and its advertising network. The AdWords program enables businesses to set a budget for advertising and only pay when people click the ads. adwords.google.com|
|Aero||The new user interface for Windows Vista, except for the Start and Home Basic editions.|
|air interface||a cellular industry term. It refers to the system that ensures compatibility between subscriber terminal equipment (i.e. cell phones and PDAs) and base stations. It involves the specification of channel frequencies and widths,|
|air PBX||an IP-PBX system in which traditional PBX desk phones are replaced by cell phones. The implementation can be via WLAN or cellular. Devices using software telephone ("softphone") technology can use all functions provided by the call manager.|
|always-on||An internet connection which remains on 24/7 such as ADSL or cable, rather than only connecting on demand like a dialup.|
|Android||Linux based operating system that is backed by Google and the other members of the Open Handset Alliance.|
With no traceability; unable to ascertain the actual identity of the claimed identity; very likely to imply naming that is intentionally opaque.
Anonymous FTP: Service supported by many Internet hosts. Typically, allows user to download documents, files, programs, and other publicly accessible data using FTP.
|antenna||A metallic device used to transmit and receive electromagnetic waves. An antenna can be a passive or active device.|
|applet||This a Java program that can be embedded in a Web page. The difference between a standard Java application and a Java applet is that an applet can't access system resources on the local computer.|
|archive||Data that is important information, stored for a long period of time in some recording media such as magnetic tapes, storage arrays or other non-active hard disks.|
|atom||Atom is an alternate XML format for easily sharing content, much like RSS Really Simple Syndication (format). Blogs on http://www.blogger.com/ for example, publish Atom feeds.|
|Autonomous Vehicles||can drive itself from a starting point to a predetermined destination in "autopilot" mode using various in-vehicle technologies and sensors, including GPS navigation technology|
A graphical icon that represents a real person in a cyberspace system. When you enter the system, you can choose from a number of fanciful avatars. Sophisticated 3D avatars even change shape depending on what they are doing
A common name for the superuser account on UNIX systems. The other common name is root.
|AVG||AVG is a family of anti-virus and Internet security software for the Microsoft Windows, Linux, Mac OS X, and FreeBSD computing platforms, developed by AVG Technologies. http://www.avg.com|
|AZERTY||The standard French language keyboard layout. Term comes from the first six letters below the row of numbers.|