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Questions 1 - 3
raster graphic- pixelated images
vector graphic- mathimatical lined images
GIF- a small file size, downloads quickly
JPEG- supports millions of colours, great for photographs
BPM- supports millions of colours
PNG- great for transparency
lossless- a graphic file that loses no data when its compressed
lossy-removes data from a graphic file so the file is smaller and can download more quickly in the web browser
2. Raster vs. Vector Graphics
raster is made up of pixels, that are tiny squares of color arranged on a grid
The vector is made up of simple lines defined by Logos, text banners, and 3d Web buttons are often vector graphics.
3. you need to consider an images download time when working on a Web page so that it is quick and easy. If it downloads slow, the reader may lose interest and move on.
Wednesday, January 6, 2010
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