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| A URL that specifies the full path to the document page, which includes the domain name. |
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| Association for Computing Machinery. A membership organization founded in 1947 dedicated to advancing the arts and sciences of information processing. |
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| In computer graphics, the stair-stepped appearance of diagonal lines when there are not enough pixels in the image or on screen to represent them realistically. |
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| A moving picture in GIF format, which is made up of a series of frames. When displayed, they provide a short animated sequence. |
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| Smoothing the jagged appearance of diagonal lines in a bitmapped image. The pixels that surround the edges of the line are changed to varying shades of gray or color in order to blend the sharp edge into the background. |
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| A widely-used public domain, UNIX-based Web server. |
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| A small application, such as a utility program or limited-function spreadsheet or word processor. Java programs that are run from the browser are called applets. |
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| Acronym for American Standard Code for Information Interchange, which specifies the standard 7-bit character set. |
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| The ability to start delivering an audio program to an individual Web browser whenever the user requests it. |
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| The transmission capacity of an electronic line such as a communications network, computer bus or computer channel. |
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| A graphic image used on Web sites to advertise a product. Banner ads are typically rectangles about 460 pixels wide by 60 pixels in height. |
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| Blind Carbon Copy. The field in an e-mail header that names additional recipients for the message. It is similar to carbon copy (cc:), but the names do not appear in the recipient's message. |
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| A file that contains an image in one of various bitmap formats such as TIFF, GIF, JPEG and BMP. |
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| In computer graphics, a technique for representing a picture image as a matrix of dots. |
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| A store (shop, supermarket, department store, etc.) in the real world. |
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| A third-party software product, such as a multimedia viewer, that extends a Web browser's capabilities. |
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| BitMaP file. It is the Windows native bitmap format, and every Windows application has access to the BMP software routines in Windows that support it. |
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| A stored location for quick retrieval at a later date. Web browsers provide bookmarks that contain the addresses (URLs) of favorite sites. |
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| A dedicated network server or a service within a server that caches Web pages in order to speed up access to information that has already been retrieved by a previous user. |
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| A style sheet format for HTML documents endorsed by the World Wide Web Consortium. CSS1 (Version 1.0) provides hundreds of layout settings that can be applied to all the subsequent HTML pages that are downloaded. |
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| Carbon Copy. The field in an e-mail header that names additional recipients for the message. |
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| Common Gateway Interface script. A small program written in a language such as Perl, C, or C++ that functions as the glue between HTML pages and other programs on the Web server. |
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| A client connects to a server, with which it exchanges information. |
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| A reserved section of memory that is used as a temporary holding area when you copy and paste or cut and paste from one application to another. |
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| Cutting off the outer edges or boundaries of a word, signal or image. |
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| A high-capacity cable used in communications and video, commonly called co-ax. It contains an insulated solid or stranded wire surrounded by a solid or braided metallic shield, wrapped in a plastic cover. |
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| A Web page that has not been updated in a long time. |
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| A piece of data given to your browser by a web server, so that your browser will hand it back to the server with subsequent requests. First implemented by Netscape. Although there has been some furor over the privacy implications of cookies, they cannot be used to reveal anything about you to the server that you have not already explicitly revealed. |
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| A Web authoring program. It is a sophisticated program that is noted for many advanced features, including the "Roundtrip" capability that lets you seamlessly move back and forth and make changes in both the visual mode and HTML mode. |
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| A graphics effect that makes elements look more three-dimensional and "pop out" of the picture. The Gaussian Blur filter is widely used to create this effect. Using an image editor, a duplicate of the text is made, changed to black or gray and then passed through the filter. The blurred result is aligned under the original text to create the effect. |
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| A combination of HTML enhancements, style sheets, and scripts that allow for animations, interactions and dynamic updating of Web pages. |
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| Doing business online, typically via the Web. It is also called e-business, e-tailing and I-commerce. |
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| A file that rides along with an e-mail message. The attached file can be of any type. |
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| Electronic magazine. A magazine or newsletter published online. Also called Webzine. |
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| The most widely-used LAN access method, which is defined by the IEEE 802.3 standard (Token Ring is the next most popular). Ethernet is normally a shared media LAN. |
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| FACSimile. Originally called telecopying, it is the communication of a printed page between remote locations. Fax machines scan a paper form and transmit a coded image over the telephone system. The receiving machine prints a facsimile of the original. |
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| A method for keeping a network secure. It can be implemented in a single router that filters out unwanted packets, or it may use a combination of technologies in routers and hosts. Firewalls are widely used to give users access to the Internet in a secure fashion as well as to separate a company's public Web server from its internal network. |
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| Software distributed without charge. Ownership is retained by the developer who has control over its redistribution, including the ability to change the next release of the freeware to payware. See shareware and public domain software. |
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| A type of image filter commonly used to blur an object. It may be used to blur the entire image or to produce a drop shadow effect. |
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| Graphics Interchange Format. A popular raster graphics file format developed by CompuServe. It supports 8-bit color (256 colors) and is widely used on the Web, because the files compress well. |
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| Acronym for Graphical User Interface. |
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| The first page retrieved when accessing a Web site. It serves as a table of contents to the rest of the pages on the site or to other Web sites. |
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| Hypertext REFerence. The mnemonic used to assign a hypertext address to an HTML document. |
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| Acronym for HyperText Markup Language. The underlying formatting for World-Wide-Web documents. |
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| HyperText Transport Protocol Secure. The protocol for accessing a secure Web server. |
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| A term often used describe the Internet. |
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| A GIF image that comes into focus while it is being displayed. Instead of rendering the image a line at a time, the whole frame is displayed looking very pixelated somewhat like a venetian blind and gradually becomes sharper as the lines fill in. |
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| A collection of interconnected networks which span the world. |
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| An inhouse web site which serves the employees of an organization. Not accessible by the general public. |
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| A system of "live" documents where a text file contains references to other documents that can be followed, thus linking documents to other related materials. The best known example is HTML. |
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| A programming language for Internet (World Wide Web) and intranet applications from Sun. Java was modeled after C++, and Java programs can be called from within HTML documents or launched stand alone. |
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| Joint Photographic Experts Group. Pronounced "jay-peg." An ISO/ITU standard for compressing still images that is becoming very popular due to its high compression capability. |
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| Acronym for Local Area Network, a LAN is a network contained within a single physical site (one or more buildings). |
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| A version of UNIX that runs on PCs. Linux is open source software, which is freely available; however, the full distribution of Linux along with technical support and training are available for a fee from vendors such as Red Hat Software (www.redhat.com) and Caldera (www.caldera.com). |
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| An HTML tag that identifies the contents of a Web page. Using a format, meta tags contain such things as a general description of the page, keywords for search engines and copyright information. |
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| Musical Instrument Digital Interface. |
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| Moving Pictures Experts Group. Pronounced "em-peg." An ISO/ITU standard for compressing video. MPEG is a lossy compression method, which means that some of the original image is lost during the compression stage, which cannot be recreated. |
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| MOdulator-DEModulator. A device that adapts a terminal or computer to a telephone line. It converts the computer's digital pulses into audio frequencies (analog) for the telephone system and converts the frequencies back into pulses at the receiving side. |
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| MultiUser Dungeon. Interactive games played by several people on the Internet. |
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| NETwork etiquette. Proper manners when conferencing between two or more users on an online service or the Internet. |
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| A message board on the Internet. Also known as Internet discussion groups that focus on particular topics. Someone typically post an initial query or comment, and other members reply. |
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| Available for immediate use. It typically refers to being connected to the Internet or other remote service. |
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| The master control program that runs the computer. It is the first program loaded when the computer is turned on, and its main part, called the kernel, resides in memory at all times. |
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| Also known as "source" and "document source," it is the HTML code (source code) of a Web page (HTML document). |
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| Pixels Per Inch. The measurement of the display or print elements. |
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| A program used to remotely read e-mail across a network, often used in conjunction with SLIP. Uses the POP protocol. |
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| Any standard for the exchange of information, a protocol defines the specific wording and control flow for communications between two or more programs, devices, or systems. |
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| A URL that specifies only the document name. The full path is implied by the current document. |
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| Software that searches for data based on some criteria. |
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| Standard Generalized Markup Language. An ISO standard for defining the format in a text document. The HTML format used on the Web is an SGML document that uses a fixed set of tags. |
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| A pre-written text file appended to the end of an e-mail message that is used as a closing or end to the message. It typically contains the sender's name and address, but may contain any kind of text or boilerplate that is repetitively sent. |
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| A hierarchical diagram of the pages on a Web site. |
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| The U.S. Postal service or other form of ground mail. As opposed to E- Mail |
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| Techniques employed by some Web marketers and site designers in order to fool a search engine's spider and indexing programs. The objective is to ensure that their Web sites always appear at or near the top of the list of search engine results. |
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| An HTML page that never changes. See dynamic HTML. |
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| Acronym for Transmission Control Protocol/Internet Protocol, a Networking standard commonly used on the Internet. |
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| Working at home and communicating with the office by electronic means. |
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| Long distance conferencing. An interactive communications session between three or more users that are geographically separated. |
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| Allows one of the colors to be made transparent and take on the background color of the underlying page or window. |
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| An acronym for Uniform Resource Locator, URL's are a standardized format for giving a pointer to information available from gopher, WWW, and other servers |
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| Visual Basic Script. A programming language for World Wide Web applications from Microsoft. It is an extension to Microsoft's Visual Basic language. |
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| In computer graphics, a technique for representing a picture as points, lines and other geometric entities. For more details about this technique. Contrast with bitmapped graphics. |
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| Virtual Reality Modeling Language. A 3-D graphics language used on the Web. After downloading a VRML page, its contents can be viewed, rotated and manipulated. |
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| Acronym for Wide Area Network, which is generally a network connecting several physically distant locations, as opposed to a LAN. The Internet is an example of a worldwide WAN. |
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| The native digital audio format used in Windows. WAV files use the .WAV extension and allow different sound qualities to be recorded. |
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| World Wide Web, also know as WWW, or W3. |
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| The program that serves as your front end to the World Wide Web on the Internet. In order to view a site, you type its address (URL) into the browser's Location field; |
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| A person responsible for the implementation of a Web site. Webmasters must be proficient in HTML as well as one or more scripting and interface languages such as JavaScript and Perl. They may also have experience with more than one type of Web server. |
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| An Internet facility that links documents locally and remotely. The Web document is called a Web page, and links in the page let users jump from page to page (hypertext) whether the pages are stored on the same server or on servers around the world. The pages are accessed and read via a Web browser such as Netscape Navigator or Internet Explorer. |
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