Since the 1970s, the application of information processing and information technology has gradually played a dominant role in Western economy, especially in American economy. Since the mid1980s, investment of the Unit...Since the 1970s, the application of information processing and information technology has gradually played a dominant role in Western economy, especially in American economy. Since the mid1980s, investment of the United States, Europe and Japan in information technology has increased drastically, making information展开更多
文摘Since the 1970s, the application of information processing and information technology has gradually played a dominant role in Western economy, especially in American economy. Since the mid1980s, investment of the United States, Europe and Japan in information technology has increased drastically, making information
