Selections can be copied, moved, and pasted, or saved and stored in an?

Assuming you're working in Photoshop CC2015 or later, what are the image - adjustments converted to when applied to the smart objects?

Which technology below does not require GPU acceleration as a must (though could benefit from it)?

Maximum number of the color samplers for the Photoshop CS5 and CC (14.2) documents respectively?

When converting an image to an ICC profile, which rendering intent makes the black point compensation checkbox inactive?

Assume you have an image in Lab color mode. What color cast will appear if you choose Image - Adjustments - Curves and pull the middle dot of the channel 'a' up?

Shortcut to apply the last filter used?

Keyboard shortcut that will hide all the palettes except the toolbar?

Which shortcut will close a document without closing the program?

Command to identify highest and lowest brightness values in an image?

Which of these can you do with a layer mask?