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19 terms

2.01 Graphic Image Design

STUDY
PLAY
Graphics
anything on a page that is not actual text, from simple line drawings to full active images found on the WWW
Color depth
the number of bits per pixel that can be displayed on a computer screen
Pixel
grids of tiny dots
Compression
how an image is stored
Lossless
integrity is retained as the image is resized
Lossy
some pixels are lost when the image is resized
Portability
ease at which files are opened, modified, and viewed across software and browsers
Transparency
allows the background color of an image to be replaced or changed so that the graphic can blend into the background
Raster
images composed of grids of pixels that have a fixed resolution and cannot be resized without losing image quality; also called bitmap graphics
Resolution
number of pixels per inch
GIF
Graphics Interchange Format
JPEG
Joint Photographic Experts Group
BMP
Bitmap
PNG
Portable Network Graphic
TIFF
Tagged Interleave Format
Vector
images composed of mathematical formulas that define lines, nodes, and curves of digital images
Nodes
drawing points
Streaming
a constant data transmission technique for transferring large data files through the Internet
Meta graphics
a combination of both of the two basic formats (vector and raster)