美国从1954年开始把计算机应用于企业管理以来,历经坎坷,直到70年代初才基本上完成了企业管理电算化。1974年,哈佛大学商学院的诺兰教授(Richard·Nolan)在总结美国企业管理计算机应用情况的基础上,提出了著名的“诺兰模型”,对美国企业管理电算化酌发展过程作了分析,并提出了一系列促进措施。实践证明,“诺兰模型”对美国后来 Since 1954, when the United States began to use computers for business management, it has undergone rough times, and it has been basically completed computerized corporate management until the early 1970s. In 1974, Professor Richard Nolan of Harvard Business School put forward the famous Nolan Model on the basis of summarizing the application of computer management in American enterprises, and made a Analyze and propose a series of promotion measures. Practice has proved that the “Nolan Model” was later used by the United States