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Multimedia Scanning

AB
Resolution dpi =(Pixels of Length) / (Inches of Length)
The larger the monitor screen?The smaller the image will appear even though it is actually the same size.
One image pixel goes into one video board pixel memory location?One for one
The output device?Printer or a video monitor.
Image size is measured on paper?In inches or centimeters
Image size is measured on the screen?In pixels
Image size does NOT vary with?Scanned resolution
Image size is modified on paper by ?Scaling
Image size is modified on screen by?Re-sampling
Image pixels are spaced on paper using?Specified scaled resolution (dpi)
Several printer ink dots are used to represent the?Color of one image pixel
One screen pixel location contains?One image pixel, and can be of any RGB value
Samples per Inch?SPI
Pixels per Inch?PPI
For images viewed on computer screens?Scan resolution merely determines image size.
When you want to evaluate your image critically?Be sure to view the image at 100% actual size
Don’t scan at 300 dpi or 600 dpi?When there's no purpose for it.
Much better quality to resize to reduce the image size?Than to resize to increase the image size.
Scaling is a word that means?Stretching or shrinking the image to fit a specified area
On the screen, resolution determines image size?Not quality (printing is the opposite).
TIFFsAre ideal for archiving photos. Unlike jpegs, tiffs can be edited and resaved without compression loss, quality stays high. Good to restore old photos or print enlargements The downside is the size: are extremely large and take up a lot of storage space.
JpegsAre optimal for posting and transferring photos online, since they can be saved as small file;, the reduction in file size can mean loss of image quality. Another thing to note: always stack up to formats like gifs or PNGS when it comes to line drawings or images containing text.
PNG filesTypically offer greater compression and a much wider range of color depths than gifs. They're good format for line drawings.
GifFiles offer flexibility: you can reduce the file size of an image without degradation as long as your image contains 256 colors or fewer.



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