Silicon Valley is today's electronics industry and computer industry in the Kingdom. Optional address of a computer company in Silicon Valley has grown to about 1500. Silicon Valley is located at the southern tip of San Francisco from Palo Alto to San Jose, the capital of a section of the valley about 25 miles. A century ago, this is an orchard and vineyard, but since the International Business Electric Company and Apple Computer and other high-tech companies to settle here, the here to become a prosperous town. In a short span of ten years, Silicon Valley has numerous science and technology rich.