A silicon chip is an integrated circuit made primarily of silicon; silicon is one of the most common substances used to develop computer chips. The picture shows an example of a silicon wafer with dozens of individual silicon chips.
Apple Ink. is a company that makes the Mac computer, the iPod, and the iPhone. It is run by the CEO, Steve Jobs.
Employees: 60,000. Mars is the only one of the worldâs 10 largest food companies that is privately owned. Mars owns several well-known chocolate brands, such as M&Ms, Milky Way, Snickers and Twix. Mars also owns a range of food brands such as Uncle Benâs rice, as well as chewing gum and candy-maker Wrigley.