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信息革命在人类历史上已经历了五次。第一次是语言的使用。语言成为人类进行交流和传播信息不可缺少的工具。第二次是文字的使用。文字的出现使人类信息的保存和传播取得重大突破,超越了时间、地域和局限。第三次是印刷技术的发明,使得报刊、书籍成为重要的信息存贮和传播的媒介。第四次是电话、广播、电视的使用,使人类进入了利用电磁波传播信息的时代。从本世纪60年代开始,第五次信息革命到来,计算机与通信技术相结合的信息技术对人类社会全方位渗透。作为使用信息技术最广泛的部门,舰船通信部门一直高度重视和迅速采用现代最新信息技术。信息技
The information revolution has gone through human history five times. The first time is the use of language. Language becomes an indispensable tool for human communication and dissemination of information. The second is the use of words. The advent of writing made a major breakthrough in the preservation and dissemination of human information, transcending time, place and limitations. The third is the invention of printing technology, making newspapers and books become important media for information storage and dissemination. The fourth is the use of telephone, radio and television to make mankind enter the era of using electromagnetic waves to disseminate information. Since the 1960s, the fifth information revolution has come and the information technology combining computer and communication technology has penetrated all aspects of human society. As the most widely used department for the use of information technology, the ship communications sector has always placed a high priority on and prompt access to modern, state-of-the-art information technology. Information Technology