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Glossary for the entire site, across all courses and subjects.



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Vector Graphics

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Vector graphics is the creation of digital images through a sequence of commands or mathematical statements that place lines and shapes in a given two-dimensional or three-dimensional space.

url

Slicing

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In object-oriented programming, slicing is an operation to slice off a target value by size of the base type, thus extra parts will be gone. This is not the same as array slicing, however it does have similar characteristics.

http://en.wikipedia.org/wiki/Slicing

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PNG

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PNG (Portable Network Graphics) is a losslessly compressed bitmap image format.

http://en.wikipedia.org/wiki/PNG

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Colour models

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Colour models are ,for example, RGB or CMYK

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.JPG

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JPEG (usually pronounced JAY-pehg) is a term for any graphic image file produced by using a JPEG standard.

Colour Modes

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RGB (Red, Green, Blue) is the colour model for light and the colour model for computer and TV screens.

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Palette

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Is the available colors supported by a computer graphics system.

http://en.wikipedia.org/wiki/Palette

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Bitmap Graphics

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A bit map (often spelled "bitmap") defines a display space and the color for each pixel or "bit" in the display space. A Graphics Interchange Format and a JPEG are examples of graphic image file types that contain bit maps.

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Manipulation

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Manipulation happens when you change the colour , erase or cut out sections of any picture.

Circuit Switching

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Circuit switching (Line Switching) is a method of transmitting information (voice, video or other streamed data) between endpoints within telecommunications systems. Each individual subscriber is allocated a dedicated channel of constant bandwidth, which must be maintained open for the duration of their call, even if no actual conversation is taking place and no data being transferred.

Circuit switched systems were used in the old fixed landline telephone networks, for point-to-point connections routed directly between terminals. However, circuit switching may still be the best option when uninterrupted large file transfers need to be sent, or for long voice calls and videoconferencing, but it seems to be mainly suitable for voice traffic. Circuit switching can be considered as the opposite approach to packet switching, which does not require a dedicated channel, and makes more efficient use of the network's resources.

Vector Paths

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A vector path is made of a number of segments, each of which is a connected sequence of points.

Information from
http://www.levien.com/libart/vpath.html

Tags

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A tag is a keyword which acts like a subject or category. A keyword is used to organize webpages and objects on the Internet. Each user "tags" a webpage or image using his/her own unique tag. An image or webpage may have multiple tags that identify it. Webpages and images with identical tags are then linked together and users may use the tag to search for similar webpages and images.
Keyword(s):

CSS

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In computing, Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML and XHTML, but the language can be applied to any kind of XML document, including SVG and XUL. The CSS specifications are maintained by the World Wide Web Consortium (W3C).
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DHTML

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Dynamic HTML or DHTML is a method of creating interactive web sites by using a combination of static markup language HTML, a client-side scripting language (such as JavaScript), the presentation definition language (e.g. Cascading Style Sheets), and the Document Object Model.
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Hyperlink

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A hyperlink, or simply a link, is a reference in a hypertext document to another document or other resource.
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Web Page

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A web page or webpage is a resource on the World Wide Web
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Browsers

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Browsers are software programs that allow you to navigate the World Wide Web.

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Chatting

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Real time conversations on the Internet, can occur on the world wide web, Internet relay chat (IRC), through instant messaging, on-line commercial servers (eg AOL or CompuServe). Can be accessed through websites. A chat room is an on-line forum where two or more people can engage in chat (Careaga).
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Authoring Software

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A category of software [which] lets you make a web page without having any knowledge of HTML.

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Conferencing

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Real-time, two-way communications. Audio-video telecommunication support of simultaneous interactions among participants (eg, involving conference calls or videoconferencing).
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