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Tutorial 3
Webpage Design
40
Computer Science
11th Grade
02/16/2011

Additional Computer Science Flashcards

 


 

Cards

Term
Absolute Unit
Definition
One of the 5 standard units of measurement: mm,cm,in. pt., and pc
Term
Animated GIF
Definition
A GIF that displays an animated image
Term
Client-side Image Map
Definition
An image map stored locally on user’s computer or device
Term
Color Value
Definition
A numeric expression that precisely describes a color in terms of the intensity of its red, blue, and green components
Term
Dithering
Definition
The process by which colors are combined to approximate a color not in
available palette
Term
Dpi
Definition
Different size of pixel depends on output device, different resolutions. The # of dots per inch in an output device
Term
Em unit
Definition
Equal to the width of the capital letter
Term
Ex unit
Definition
Equal to the height of a lowercase letter
Term
Flash
Definition
A software program from Macromedia used to add animation and multimedia
Term
Generic Font
Definition
A general description of a font’s appearance
Term
Graphics Interchange Format(GIF)
Definition
A common web img. Format that allows for animated images,
transparent colors, & interlacing, limited to 256 colors most used for graphics require few colors --> clipart
Term
GIF89a
Definition
Format supports more features such as interlacing transparent colors, and animation
Term
Hanging Indent
Definition
A negative indent in which the first line of text hangs to the left of a txt block
Term
Hexadecimal
Definition
A number expressed in base 16 arithmetic
Term
Hotspot
Definition
An area within an image which accesses a link or performs an action when clicked or activated by user
Term
Image Map
Definition
An image containing hotspots at specific location
Term
Interlaced GIF
Definition
A GIF in which img. Is retrieved in stages, allowing a blurry version of the whole image to appear quickly, & then become increasingly sharp as it is retrieved
Term
Joint Photographic Experts Group
Definition
Main image file form at format A common web image
Format which supports 16.7 mil colors & most often used for photographic images. Best photographer image.
Term
Kerning
Definition
The amount of space between pairs of letters
Term
Leading
Definition
Space between lines or text
Term
Macromedia
Definition
Popular way to animate graphics to a website
Term
Noninterlaced GIF
Definition
A GIF in which in the image opens one line at a time, starting at the image's top and progressing to the bottom
Term
Palette
Definition
A selection of colors
Term
Pixel
Definition
A smallest unit on a computer screen, which measures around 1/72 in. square
Term
Portable Network Graphics(PNG)
Definition
A common web image format that supports animation, interacing, multiple transparent colors, 16.7 million colors, not supporter by older browsers
Term
Progressive JPEG
Definition
A JPEG that is required in progressive stages from blurry to sharp
Term
Relative Unit
Definition
Express font size relative to the size of standard character on the output device
Term
RGB Triplet
Definition
The triplet of intensity values of a color's red blue green components
Term
Safety Palette
Definition
A palette of 216 colors that is not dithered by any web browser
Term
Scalable
Definition
Allows the page to be rendered the same way no matter how a user's output device is configured
Term
Scalable Vector Graphics (SVG)
Definition
Format A common web image format supported by XML, in which line art is composed of mathematical curves & lines
Term
Server-side image map
Definition
An image map stored on a web server
Term
Spacer
Definition
A transparent image that can be resized to aid in page layout
Term
Specific Font
Definition
A particular font referenced in a web page design, which a user sees only if it is installed on user's output device
Term
Splash Screen
Definition
The opening page of a website usually displaying an animation or special effort designed to catch a user's attention
Term
Tiling
Definition
The amount of space between words & phrases
Term
Tracking
Definition
The amount of space between words
Term
Transparent Color
Definition
A color that is not displayed when rendered by an output device
Term
Watermark
Definition
A fixed background image that does not scroll will associated foreground content
Term
Web-safe colors
Definition
Colors that are not dithered by any web browser
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