If you use the eraser tool on a black layer mask with white foreground and black background colors, what is the result?

Which one will rotate the canvas?

Maximum number of History States?

Which tool prevents you from clicking Fade on the Edit menu?

What rasterizing engine Photoshop uses for rendering font?

You can reverse areas of a layers mask but not a vector mask.

There is a standard shortcut to invoke the Flatten Image command.

A hollow/white lock icon in the Layers panel means:

.... is the best choice to make a precise color adjustment to an individual channel of a image.

NOT a valid Sample Size when using the Eyedropper tool?

In the Crop Tool, the Cropped Area options are disabled if ....