佳偶良缘 有人把迄今人类社会的信息活动分为5个阶段,或称之为5次“革命”。这5次革命的重要标志依次为语言的产生、文字的创造、纸张和印刷术的发明、电报和电话的问世,以及计算机与通信的融合(即 C＆C)。 1946年,美国研制成世界上第一台电子计算机,从而开创了一个科技新时代,也激发了电信领域的一次新的革命。 Someone has divided the information activities of human society so far into five stages, or five times as “revolutions.” Important signs of these five revolutions were, in turn, the production of language, the creation of words, the invention of paper and printing, the advent of telegraph and telephone, and the convergence of computer and communications (C & C). In 1946, the United States developed the first electronic computer in the world, thus creating a new era of science and technology and stimulating a new revolution in the field of telecommunications.