What is the development process of information technology?

Dear, I am glad to answer your question about the development of information technology-five information technology revolutions. Since ancient times, mankind has experienced five major development courses of information technology. Every change in information technology has greatly promoted the development of human society. The first information technology revolution was characterized by the appearance and application of language. The emergence of language is the greatest information technology revolution in history, and it has become the primary condition of human socialized information activities. The second information technology revolution is characterized by the appearance and use of words and paper. Without words, human civilization cannot be passed down well. The third information technology revolution is characterized by the invention of printing. Its invention liberated the ancients from the hard work of copying many times by hand, and also avoided all kinds of mistakes brought by copying many times. The fourth information technology revolution is characterized by the invention of telecommunication technology. Today, we can easily contact our distant relatives and friends by telegraph and telephone, and they all rely on it for service. The fifth information technology revolution is characterized by the emergence of electronic computers and communication satellites.