X for XML

abbreviation / acronyms term definition
X3D Extensible 3D Graphics an XML file that is used to hold three-dimensional graphical data.
x86 8086 processor
These include the 286, 386, 486, and 586 processors. As you can see, the "x" in x86 stands for a range of possible numbers. Technically, x86 is short for 80x86 since the full names of the processors are actually 80286, 80386, 80486, and 80586. The "80" is typically truncated to avoid redundancy.
XaaS anything as a service anything as a service
XACML Extensible Access Control Markup Language open standard XML-based language designed to express security policies and access rights to information for Web services, DRM, and enterprise security applications.
XAF eXpressApplication Framework a modern and powerful application framework allowing simultaneous ASP.NET and WinForms development. product of www.devexpress.com
XAMPP Cross-platform/Apache/MySQL/PHP/Perl An application stack which includes MySQL, Apache, PHP, and Perl.
XBL XML Binding Language document used to associate executable content with an XML tag. It is itself an XML file, and is used most frequently (although not exclusively) in conjunction with XUL.
XBMC XBox Media Center Media player for the original Xbox game-console. XBMC can play music and videos, display images and launch Xbox games from the Xbox's DVD drive, its internal hard drive, a local network, USB flash drive, and the internet
XBRL Extensible Business Reporting Language

a language for business financial data using XML-style tags. For more information, see www.xbrl.org.

XCP eXtended Copy Protection Rootkit-based copy protection scheme
XDCC Xabi DCC or eXtended DCC a script written in 1994 for ircII[1] by Xabi. This script extends the ircII DCC command.
XDO extended data object In an application program, a generic representation of a stored complex multimedia object that is used to move that object in to, and out of, storage. XDOs are most often contained within DDOs.
XDE eXtended Development Experience As in IBM Rational Software's XDE product
XDR eXternal Data Representation Standard for machine-independent data structures developed by Sun Microsystems.
XDM X Display Manager A program supplied with the OpenWindows interface that manages X displays


x digital subscriber line

Generic term for a variety of digital subscriber line techniques that allow wide and narrowband signals to be sent down normal telephone wires.


Express Edition

Oracle Database XE is an entry-level, small-footprint database based on the Oracle Database

XFDL Extensible Forms Description Language An open protocol for creating, filling in, and reading complex business forms and legal contracts on the Internet and intranets. XFDL, based on XML, was developed because HTML is not suitable for representing auditable business forms.
XFN XHTML Friends Network A simple way to represent human relationships using hyperlinks. XFN enables web authors to indicate their relationship(s) to the people in their blogrolls simply by adding a 'rel' attribute to their 'a href' tags.
xfr transfer
An abbreviation used in data communications.
XGA Extended Graphics Array A high-resolution video display mode that provides screen pixel resolution of 1,024 by 768 in 256 colors, or 640 by 480 in high (16-bit) color.
XHR XmlHttpRequest API that can be used by JavaScript, JScript, VBScript and other web browser scripting languages to transfer and manipulate XML data to and from a web server
XHTML Extensible Hypertext Markup Language
XHTML is a spinoff of the HTML used for creating Web pages. It is based on the HTML 4.0 syntax, but has been modified to follow the guidelines of XML, the Extensible Markup Language. Therefore, XHTML 1.0 is sometimes referred to as HTML 5.0.

connet exchange identification

connet exchange station ID

connet Request and response packets exchanged prior to a session between a router and a Token Ring host. If the parameters of the serial device contained in the XID packet do not match the configuration of the host, the session is dropped.

connet In communications, a data link command or response for recognizing the primary station and a secondary station.

XIL X Imaging Library The XIL is a platform programming interface for imaging and video support
XLF Extensible Log Format A log format based on XML, designed to be extensible and universal.
XLL Extensible Linking Language second part of the W3C's XML specification concerning hyperlinks. An XML extension used to insert links that can point directly to a specific object (image, title, word, etc.) into a page.
XLS eXceL Spreadsheet Microsoft Excel File name extension
XMCL Extensible Media Commerce Language an XML-based language designed to support the business of delivering digital content (music, etc.) over the Internet. For more information, see www.xmcl.org.
XMI XML Metadata Interchange a proposed use of the XML that is intended to provide a standard way for programmers and other users to exchange information about metadata
XML Extensible Markup Language
define documents with a standard format that can be read by any XML-compatible application. The language can be used with HTML pages, but XML itself is not a markup language. Instead, it is a "metalanguage" that can be used to create markup languages for specific applications.
XMLC eXtensible Markup Language Compiler Converts a HTML or XML document to a Java class
XMLRPC XML Remote Procedure Call A protocol for client-server communication that sends and receives information "on top of" HTTP. The data sent and received is in a particular XML format specifically designed for use with XMLRPC.
XMP eXtensible Metadata Platform Provides Adobe applications and workflow partners with a common XML framework that standardizes the creation, processing, and interchange of document metadata across publishing workflows
XMPP eXtensible Messaging and Presence Protocol IETF's formalization of the core protocols created by the Jabber community in 1999. See also http://www.xmpp.org/

connet Extended Memory Specification

connet Xirrus Management System

connet a procedure used to access "high" memory in DOS.

connet provides centralized configuration and RF management, security control and policies (IDS/IPS), performance monitoring, and reporting for hundreds of Arrays across a Layer 3 network.

xmt transmit
the method of sending data to an alternate computer or device.
XNI Xerces Native Interface Framework for communicating a "streaming" document information set and constructing generic parser configurations.
XNRL Xml Namespace Related-resource
HTML-based markup language designed to contain a human-readable description of an XML namespace as well as pointers to multiple resources related to that namespace
XNS Xerox Network Systems The suite of internet protocols developed by the Xerox Corporation; generally used by larger systems using IBM operating systems.
XO crystal oscillator An oscillator in which the frequency is controlled by a piezoelectric crystal.
XOFF Transmitter off An abbreviation for the ASCII transmission-control character
XoIP Anything Over IP Refers to any form of data transmitted over a TCP/IP network. XoIP is used when describing Voice/SIP Over Cable, Voice/SIP over Ethernet, Voice/SIP over Wireless, Streaming Video Over IP, etc, or anything over IP.
XON Transmitter on An abbreviation for the ASCII transmission-control character meaning "Transmitter on."
XOP Xml-binary Optimized Packaging A mean of more efficiently serializing XML Infosets that have certain types of content
XOR exclusive-OR gate a logic gate whose output is 1 when one but not both of its inputs is 1

connet eXPerience

connet Extreme Programming

connet version 5.1 of Microsoft Windows

connet a software engineering methodology which is intended to improve software quality and responsiveness to changing customer requirements.

XPath XML Path Language A language used to create addresses mapping the various parts of XML document. XPath gets its name from its use of a path notation (as used in Internet URLs) for navigating through the hierarchical structure of an XML document.
XPFE Cross Platform Front End A suite of technologies used to create applications that will work and look the same on different computer operating systems. A widely used XPFE application is the Mozilla web browser and its derivities, such as the Netscape web browser in version 7 and later.
xPGK xPEERience gatekeeper/proxy
A commonly used VoIP solution in Russia. RGC, owner and operator of RHINOTEL, bought xPGK to bring together various H.323 based gateways by different manufacturers.
XPL Carrier Private Line A telephony slang abbreviation
XPLINK Extra Performance Linkage A type of call linkage that can improve performance in an environment of frequent calls between small functions.
XPS Xml Paper Specification Paginated representation of electronic paper described in an XML-based format
XQL XML Query Language a way to locate and filter the elements (data fields) and text in XML document. XML files are used to transmit collections of data between computers on the Web.
XRC extended remote copy

connet to In z/OS and S/390 environments, a hardware- and software-based, remote-copy, service option that provides an asynchronous volume copy across storage subsystems for disaster recovery, device migration, and workload migration.

connet to A function of a storage server that assists a control program to maintain a consistent copy of a LVOL on another storage facility.

XRE Xul Runtime Engine Now renamed in XULRunner, is a Mozilla runtime package that can be used to bootstrap XUL+XPCOM applications that are as rich as Firefox and Thunderbird.
XrML Extensible Rights Markup Language an XML-based language for specifying rights and conditions associated with digital content or services. For more information, see www.xrml.org.
XRST extended restart

connet to An IMS/ESA system service call that can request that a program restarts normally or from a specific checkpoint ID, a time/date stamp, or (BMPs only) the last checkpoint issued.

connet to A restart, initiated by a DL/I call, that reestablishes database positioning and user-specified areas.

XSD Xml Schema Definition XML-based grammar for describing the structure of XML documents. A schema-aware validating parser can validate an XML document against an XSD schema and report any
XSL extensible Stylesheet Language a set of language technologies for defining XML document transformation and presentation
XSLT eXtensible Style Language Transformation the language used in XSL style sheets to "interpret" XML coding and display it in a language the viewer will understand.
XSS Cross-Site Scripting a type of computer security vulnerability typically found in web applications which enable malicious attackers to inject client-side script into web pages viewed by other users

connet to crosstalk

connet to Extended Technology

connet to Undesired coupling of a signal from one circuit, part of a circuit, or channel, to another.

connet to The first IBM PC to have a hard disk. It came out in 1983. It had an Intel 8088 microprocessor, 128KB of RAM, and a 10MB hard drive.

XTI UNIX Transport Layer Interface Layer 4 transport layer, standardized under UNIX
XTM Extensible Threat Management next generation of UTM, integrated network security appliances.
XTP Extreme transaction processing an application style aimed at supporting design, development, deployment, management and maintenance of distributed transaction processing (TP) applications, characterized by exceptionally demanding performance, scalability, availability, security, manageability and dependability requirements.
XTPP extreme transaction
processing platform
Well-established architectures and technologies are evolving and converging with XTP-specific technologies

connet Efficient Compact Subgroup Trace Representation

connet Extreme Reality


connet A crypto system that is a particularly efficient and compact implementation of the classical Diffie-Hellman scheme. See http://www.ecstr.com

connet http://www.xtr3d.com/

XUL eXtensible User-interface Language pronounced “zool”, A markup language similar to HTML and based on XML.

XUL used to define what the user interface will look like for a particular piece of software. XUL is used to define what buttons, scrollbars, text boxes, and other user-interface items will appear, but it is not used to define how those item will look (e.g. what color they are).

xVM intersection (x) of virtualization and management used by Sun Microsystems for its virtualization and management software. Also called Sun xVM, it is a Solaris-based hypervisor that enables servers to run multiple operating systems simultaneously on a single computer, addressing both desktop and server virtualization.
XVT Extensible Virtual Toolkit An applications development toolkit from XVT Software, Inc., which makes it possible to develop user interfaces for multiple platforms.
XWB eXtend WorkBench Java IDE
XWSS Xml and WebServices Security Provides message-level security that enables a JAX-WS or SAAJ application's request and response actions to be secured at the level of service, port, or operation
  X-band bandwith between 7 GHz to 8 GHz, which usually is used by military satellites.



A type of packet switched network used extensively by PNOs for public services and popular for transaction based private networks.

  X Internet A set of technologies that connect firms' information systems to physical assets, products, and devices.
  X-Windows The software system written for managing windows under Unix. A graphics architecture, application programming interface and prototype implementation developed at the Massachusetts Institute of Technology, X-Windows defines a client/server relationship between the application program and the workstation. It is not, however, a complete graphical user interface, but rather the basis on which one can be built.
  x64 A processor architecture based on the 32-bit IA-32 (x86) architecture, with extensions for the execution of 64-bit software. AMD produced the first instances of x64-based processors, the AMD64 processors—also referred to with the term x86-64.
  xcopy a command in Windows and other operating systems for copying groups of files. It works just like copy except that as many files as possible are read into memory before any are written to disk. This is usually faster than using copy.
  Xen A virtualization platform which began as a research project at the University of Cambridge and was released as open source software in 2003. Xen utilizes paravirtualization to hook calls to the hardware node's resources
  Xeon a high-speed Pentium-class microprocessor introduced by Intel in 2002 as a successor to the Pentium 4. It features a pipelined architecture with clock speeds of 1.8 GHz and higher.
  XING XING (named openBC/Open Business Club until 17 November 2006) is a social software platform for enabling a small-world network for professionals.http://www.xing.com/
  XP Windows XP. Refers to the Windows XP operating system from Microsoft. www.microsoft.com/windowsxp/default.mspx - Windows XP Home Page
  Xperia Sony Xperia is a family of Sony smartphones and tablets. The line of phones has been manufactured since 2008, while the first tablet released under the brand was launched in 2012. The name Xperia is derived from the word "experience", and was first used in the Xperia X1 tagline, "I (Sony Ericsson) Xperia the best".