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1.01 Investigate Graphic Types and File Format

STUDY
PLAY
Graphics
anything on a page that is not actual text, from simple line drawings to fully active images found on the World Wide We
Lossless
integrity is retained as 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 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 backgro
Raster Graphics
also called bitmap graphics, images composed of grids of pixels that have a fixed resolution (number of pixels per inch) and cannot be resized without losing image quality
GIF
Supports streaming (constant transmission of data over the
JPEG
High quality; large file size
BMP
Large file size; not well suited for transfer across the Internet or print publications
PNG
Widely supported by web browsers and image viewers/editors
TIFF
To store raw bitmap data by some programs and devices such as scanners
Vector Graphics
composed of mathematical formulas that define lines, nodes (drawing points) and curves of digital images; can be 2D or 3D; edited in draw programs</sentence>
lower
The greater the compression, the ______ quality
sixteen
A 4 bit pixel would have a color depth of
eight
An _________ bit pixel would have a color depth of 256
pixel
The more bits per _________ the more colors displayed
Streaming
constant transmission of data over the Internet
Color depth
refers to the number of bits per pixel that can be displayed on a computer screen.
Compression
refers to how an image is stored