The MacBook uses a graphics processor that economizes space in a whole new way. A traditional computer logic board contains multiple components: the CPU, two chips that control communication throughout the computer, and the graphics processor. The logic board in the MacBook contains only two components: the CPU and a graphics processor with all of the core logic built into a single chip.Open your MacBook and you're instantly greeted by glorious full screen brightness. Anything you view, including the glossy widescreen display itself, is a spectacular experience. The LED-backlit display is more power efficient. And it's mercury- and arsenic-free, so it's greener than ever.