John von Neumann, the inventor of the computer. Computer is one of the most advanced scientific and technological inventions in twentieth Century. It has a very important influence on the production and social activities of human beings. And its application field from the initial application of military scientific research extended to each field of the society, has formed the huge size of the computer industry, led to the worldwide technological progress, which triggered a profound social change, computer has spread to the general schools, enterprises and institutions, into the homes of ordinary people become tools essential to the information society.
The application of computer in China, more and more common, after the reform and opening up to the outside world, the number of computer users in China continue to rise, and constantly improve the level of application, especially good result is obtained in the application of Internet, multimedia and communication field. From 1996 to 2009, the number of computer users from the original growth of 630 million to 67.1 million units, network computer units from the original 2.9 million units up to 59.4 million units. Internet users have reached a mobile phone, wireless Internet subscribers, including mobile Internet users up to one, for the world's first.