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CIW Lesson 5
Multimedia on the Web
| Term | Definition |
|---|---|
| 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. |
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almonork21
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