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CIW Lesson 5

Multimedia on the Web

Visual Basic Script (VBScript) Scripting language from Microsoft derived from Visual Basic; used to manipulate ActiveX scripts.
Visual Basic The Microsoft graphical user interface (GUI) programming language used for developing Windows applications. A modified version of the BASIC programming language.
Geolocation An HTML5 Application Programming interface that allows developers to retrieve the geographical location information for a client-side device.
Cascading style sheets (CSS) Style sheet language that provides the formatting and "look" of a Web page or document written in a markup language.
Plug-in A program installed in the browser to extend its basic functionality. Allows different file formats to be viewed as part of a standard HTML document
Disk cache Storage space on a computer hard disk used to temporarily store downloaded data.
Streaming media A continuous flow of data, usually audio or video files, that assists with the uninterrupted delivery of those files into a browser
Object An element on a Web page that contains data and procedures for how that item will react when activated. On a Web page, an object is typically a multimedia presentation.
object-oriented programming (OOP) Programming concept based on objects and data and how they relate to one another, instead of logic and actions; C++ and Java are OOP languages.
Java An object-oriented Programming Language developed by Sun Microsystems that is fully cross-platform functional.
Applets Small programs written in Java, which are downloaded as needed and executed within a Web page or Browser
Dynamic Always changing.
Interactive The characteristic of some hardware and software, such as computers, games and multimedia systems, that allows them to respond differently based on a user's actions
event-driven Reacting to particular user actions or the browser's completion of a specific task.
LiveScript The Netscape developed Scripting language that was the predecessor to JavaScript
ActiveX An open set of technologies for integrating components on the Internet and within Microsoft Applications
Digital Interface (MIDI) A standard computer interface for creating and playing electronic music. It allows computers to re-create music in digital format for playback.
Lossless Compression A type of data file compression in which all original data can be recovered when the file is decompressed.
lossy compression A type of data file compression in which some file information is permanently eliminated.
Codec A compression/ Decompression algorithm used by modern video and audio player plugins.
vector graphics Resizable images that are saved as a sequence of vector statements, which describes a series of points to be connected.
QuickTime A plug-in developed by Apple Computer for storing movie and audio files in digital format.
QuickTime Movie (MOV) Standard file format for Apple QuickTime; uses the .mov, .moov or .qt file name extension
viewer A scaled-down version of an application; designed to view and print files
Portable Document Format (PDF) A file format that can be transferred across platforms and retain its formatting; designated by the file name extension .pdf.
Audio Video Interleave (AVI) Standard Windows file format for video files.
Moving Picture Experts Group (MPEG) High-quality audio and video file compression format
Audio Interchange File Format (AIFF) High-quality audio format developed by Apple Computer.
AU Audio file format used by UNIX servers, the majority of Web servers. Most Web browsers can read AU.
Waveform (WAV) Windows standard format for audio files.
MPEG-1 Audio Layer-3 (MP3) Popular Compression standard for audio files; retains most of the sound quality of the source.
Ogg Vorbis (.ogg) A free, open-source alternative to the MP3 compression format for audio files; creates smaller, faster downloading files.
Portable Network Graphics (PNG) An open source graphical image file format created to replace GIFs
Graphics Interchange Format (GIF) A graphical image file format commonly used in HTML documents.
Joint Photographic Experts Group (JPEG) A graphical image file format commonly used for photographs.
Tagged Image File Format (TIFF) Commonly used graphic file format, developed by Aldus Corporation; uses the .tif or .tiff file name extension.
Encapsulated PostScript (EPS) File format used for importing and exporting graphics
Rich Text Format (RTF) Portable text file format created by Microsoft that allows image insertion and text formatting; an almost universal format.
Created by: almonork21