Key Terms Chapter 6

XHTML- Extensible Hypertext Markup Language is part of the family of XML markup languages. It mirrors or extends versions of the widely used Hypertext Markup Language, the language in which Web pages are formulated.

XML-Extensible Markup Language is a markup language that defines a set of rules for encoding documents in a format which is both human-readable and machine-readable.

XSL- is a family of recommendations for defining XML document transformation and presentation. It consists of three parts: XSLTransformations a language for transforming XML; The XML Path Language

ActiveX Control- is a control using Microsoft ActiveX technologies. AnActiveX control can be automatically downloaded and executed by a Web browser. ActiveX is not a programming language, but rather a set of rules for how applications should share information.

Decryption- is the process of taking encoded or encrypted text or other data and converting it back into text that you or the computer can read and understand. This term could be used to describe a method of un-encrypting the data manually or with un-encrypting the data using the proper codes or keys.

Bytecode- is computer object code that is processed by a program, usually referred to as a virtual machine, rather than by the "real" computer machine, the hardware processor.

SSL- (Secure Sockets Layer) is the standard security technology for establishing an encrypted link between a web server and a browser. This link ensures that all data passed between the web server and browsers remain private and integral.

VBScrpt- (Visual Basic Scripting Edition) is an Active Scripting language developed by Microsoft that is modeled on Visual Basic. It is designed as a "lightweight" language with a fast interpreter for use in a wide variety of Microsoft environments.

Image Map- an image map is a list of coordinates relating to a specific image, created in order to hyperlink areas of the image to different destinations (as opposed to a normal image link, in which the entire area of the image links to a single destination).

CGI- is the application of computer graphics to create or contribute to images in art, printed media, video games, films, television programs, commercials, videos, and simulators.

DTD Files- defines the structure and the legal elements and attributes of an XML document. A DTD can be declared inside an XML document or in an external file.

JavaScript- an object-oriented computer programming language commonly used to create interactive effects within web browsers.

Spyware- is software that aims to gather information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge.

Cookie-a packet of data sent by an Internet server to a browser, which is returned by the browser each time it subsequently accesses the same server, used to identify the user or track their access to the server.

PGP- is a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication.

DHTML- is an umbrella term for a collection of technologies used together to create interactive and animated web sites by using a combination of a static markup language (such as HTML), a client-side scripting language (such as JavaScript)

Server Farm- a large group of networked computer servers typically used by organizations for the remote storage, processing, or distribution of large amounts of data.

RSA- is a cryptosystem for public-key encryption, and is widely used for securing sensitive data, particularly when being sent over an insecure network such as the Internet.

Banner Ad-is a form of advertising on the World Wide Web delivered by an ad server. This form of online advertising entails embedding an advertisement into a web page. It is intended to attract traffic to a website by linking to the website of the advertiser.

Mailto Link- Using "mailto" within a HTML document to generate a link for sending email: It is also possible to specify initial values for headers and message body in the URL.

Packet Sniffer- a sniffer program that targets packets of data transmitted over the Internet.

Pop-up ad-often forms of online advertising on the World Wide Web intended to attract web traffic or capture email addresses. Pop-ups are generally new web browser windows to display advertisements.

Animated GIF- a lossless format for image files that supports both animated and static images.

Web Page Header- HTML5 section Element. The section element defines a section in a document. According to W3C's HTML5 documentation: "A section is a thematic grouping of content, typically with a heading." A Website's home page could be split into sections for introduction, content, and contact information.

Java Applet- a small Internet-based program written in Java, a programming language for the Web, which can be downloaded by any computer. The applet is also able to run in HTML. The applet is usually embedded in an HTML page on a Web site and can be executed from within a browser.