Layer masks are composed of resolution dependent pixel grayscale images that can be edited with paint, eraser and selection tools.

Best compression format for photos on the Web?

When designing for the web you should size your document using what unit of measurement?

The magic wand tool allows you to:

PSD stand for?

To save a project under its' current file name, the keyboard shortcut is:

What option cannot be adjusted with the Print command directly in the Print window?

What is the best way to save multiple images into a single PDF?

Which format does NOT support an alpha channel?

Which scanner type is capable of producing the highest resolution scans?

What is considered the minimum DPI for photographic-quality inkjet printing?