A lack of saliva can even make it harder for you to digest food or talk. To treat dry mouth, your doctor may ask you to stop taking any medicines that are causing it. The doctor may also recommend medicines that stimulate saliva production.
Erik Fair, Software Engineer, Investor, skier. A Graphics Processing Unit (GPU) is a special purpose processor, optimized for calculations commonly (and repeatedly) required for Computer Graphics, particularly SIMD operations.
A Graphics Card, or a GPU, is a very powerful CPU designed to perform graphical and graphics related calculations. Before I move on to what 2 GB and 4 GB GPU means, I'll first describe why a GPU needs memory. A CPU or a GPU performs huge number of calculations per second.