slide screen

Toshiba introduced U923t ultrabook slider screen
this model uses core i5 processor, integrated intel hd graphics 4000 graphics, 128 gb ssd and 12.5 inch touch screen.
How to black out or whiten the PowerPoint presentation screen
when presenting, have you ever stopped the presentation to talk to your audience? do you see them distracted by what's on the screen? read the following article to black out (or whiten) the screen with a simple shortcut.