1、Computer History,Nowadays computers and the Internet are changing our lives,History of Computers - 19th Century,still in use today!,Electrical Numerical Integrator（电子数字积分器）and Computer (ENIAC), 1940s,Over the past 50 years, the Electronic Computer has evolved rapidly（迅速发展）.,IBM PC - 1981,First wide-
2、selling personal computer used in business,Bill Gates is the head of the software company Microsoft （微软公司）and one of the worlds wealthiest men.Gates and Paul Allen founded(成立) Microsoft in the 1970s, though Allen left the company in 1983. Gates oversaw the invention and marketing of the MS-DOS operating system(操作系统),the Windows operating interface, the Internet Explorer browser(浏览器) and other popular computer products.,Bill Gates,Apple Computers,Founded 1977 Apple II released （发布）1977 widely （广泛地）used in schools the first computer with a mouse,21st Century Computer,In the future,https:/
