3. Basic Technical Stuff

WTRGB! “What The Red Green Blue” is this chapter talking about? We know you’re anxious to get to the fun stuff, so we’ve condensed our technical Photoshop information into a painless four pages. Take a few minutes to read about the geeky stuff and you’ll have a better understanding of everything you do in Photoshop.

Without getting too technical, this short chapter provides information that’s helpful to know about raster and vector images, color modes (CMYK VS. RGB), image bit depth (8, 16, or 32-bit images), and image resolution (72 pixels per inch, for example).


Bitmap images

Bitmap images, also referred to as raster ...

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