X CKInfo Items

Computer Knowledge information pages for terms starting with the letter X.

xDSL - x Digital Subscriber Line

(X-D-S-L) Any of the DSL telephone technologies (a small "x" is often used to represent "anything"). When two modems connect via a telephone circuit the modems effectively use the voice bandwidth for their communication (digital signals are conver...

XGA - Extended Graphics Array (Adapter)

(X-G-A) An IBM graphic standard based on 1024x768 at 256 colors (and 640x480 at 65K colors) with non-interlaced monitors. It replaced the 8514/A standard. More Information CKnow Reference Guide: Video Display Standards Video Display Standards

XMI - XML Metadata Interchange

(X-M-I) An XML-based metadata interchange specification maintained by the OMG.

XML - Extensible Markup Language

(X-M-L) A document creation language developed to replace HTML and provide more structure to documents. XML both works to specify document structure and, like HTML before it, markup. More Information XML Site W3C Site Site for XML Developers XML C...

XMLC - Extensible Markup Language Compiler

(X-M-L-C) As implemented by Lutris Technologies the XMLC converts HTML or XML documents into a Java object which then feeds dynamic HTML to the browser. More Information Webreference Article

XMS - Extended Memory Specification

(X-M-S) A memory specification which allows programs to access and use memory above 1MB. A computer must be operating in protected mode in order to access extended memory directly. The memory manager (usually the operating system or environment) w...

XPS - XML Paper Specification

(X-P-S) XPS, like PDF is basically a container that represents a document in the form of a printed page. XPS will be introduced as part of the Windows Vista operating system and as an add-on to Microsoft's Office 2007 products. In addition, Micros...

XSL - Extensible Style Language

(X-S-L) A refinement to Cascading Style Sheets. It adds printing support and support for moving XML documents between applications. More Information XSL Article

XT - Extended

(X-T) The original extension of the IBM PC. The PC/XT came with 128KB of memory, a 360K floppy disk drive and 10MB hard disk. The XT was released March 1983. An XT with IBM 370 emulation was released in October 1983 (XT/370). More Information IBM ...

XTA - XT Attachment

(X-T-A) Rarely used implementation of IDE with an integrated 8 bit XT controller.