Which method combines a mask of an image with its negative to reduce blur in the image?

What happens when the ruler is double clicked?

If you have two layers and you want to hide all the black pixels from the top layer, what blend mode you assign to the top layer?

Which is not a Photoshop tool?

Which Standard Workspace does NOT exist in Photoshop CS5?

What is RGB?

Which filter is unavailable in Lab color mode?

Regarding Layer masks which is correct?

The Solidity and color choice options .... only on-screen previews and composite prints. They have no effect on printed separations?

How you can remove a matte from a selection?

Which selection tools are available in Photoshop?