Apple is a high-tech company in America. It was founded by Steve Jobs, stephen wozniak and Ron Wayne on April 1976, and was named Apple Computer Company of America. On June 9, 2007, it was renamed Apple, headquartered in Cupertino, California, and went public on February 2, 2007. Its main business includes designing, developing and selling consumer electronic products, computer software, online services and personal computers. When Apple was founded, it mainly developed and sold personal computers. By 20 14, it has devoted itself to designing, developing and selling consumer electronic products, computer software, online services and personal computers. Apple's AppleII started the personal computer revolution in1970s, and the Macintosh relay continued to develop in1980s.