A Taco Bell fast-food restaurant and drive-thru at dusk in Gastonia, North Carolina.Jeff Greenberg | Universal Images Group | Getty ImagesTwo chipmakers are teaming up.Yum Brands is partnering with tech giant Nvidia to accelerate the use of artificial intelligence in its restaurants.The restaurant company, which owns Taco Bell, KFC and Pizza Hut, said on Tuesday that the collaboration will allow Yum to roll out AI order-taking, Nvidia-powered computer vision and restaurant performance assessment...