计算机网络的发展.ppt

Some knowledge In 1893, the first four-function calculator was invented 1893年,第一部四功能计算器被发明。 1946v first Electronic Numerical Integrator and Calculator (ENIAC) in the United States completed the construction of 1946v第一台电子数字积分计算器(ENIAC)在美国建造完成 In 1952, the first stored program calculator was born. 1952年,第一台储存程序计算器诞生。 In 1952, the first large-scale computer systems announced the completion of construction IBM701 1952年,第一台大型计算机系统IBM701宣布建造完成 In 1954, the first semiconductor computer developed by the Bell Telephone Company 1954年,第一台半导体计算机由贝尔电话公司研制成功 In 1959, the first successful development of small scientific calculator IBM620 1959年,第一台小型科学计算器IBM620研制成功 The first stage The second stage The third stage The fourth stage The Fifth stage * 一切未成定局 未来还等待我们去开创 In 1964, the third generation of computers made IBM360 series 1964年,第三代计算机IBM360系列制成 In 1979, Sharp announced the first portable microcomputer made 1979年,夏普公司宣布制成第一台手提式微电脑 In 1982, the microcomputer began to spread, a lot of access to schools and families 1982年,微电脑开始普及，大量进入学校和家庭 In 1984, the Japanese computer industry to improve the development of the fifth generation computer --- a computer with artificial intelligence 1984年,日本计算机产业着手研制第五代计算机---具有人工智能的计算机 The history of the computer 。The first stage Supercomputers. The development of high-speed, large capacity, powerful supercomputers, to handle large and complex problems. microcomputers. Therefore, the development of small volume, strong function, low price and high reliability, wide application of the micro-computer is an important part of computer development. 超级计算机。发展高速度、大容量、功能强大的超级计算机，用于处理庞大而复杂的问题。 微型计算机。因此，发展体积小、功能强、价格低、可靠性高、适用范围广的微型计算机是计算机发展的一项重要内容。 巨型化Giant of 微型化Miniaturization 网络化 Network 智能化Intelligent 模块化Modular 专门化Wireless 网络化Specialize 环保化Network 人性化Environmental protection Human 智能化Intelligent 个性化Personalized Development of the future 　The future development of the computer will follow a number of routes to move forward and