This conference is the fourth annual traditional conference EnT, that were held with the support of the IEEE and IEEE Computer Science. Now we conduct it as a seminar connected with SORUCOM - a conference on the history of informatics in Russia and the countries of the former USSR, to emphasize the common themes of the conferences. The main theme of EnT-2017 is the history of the computer science development and its impact on the development of computer applications in engineering and technology. The conference is held with the support of the Russian Academy of Sciences (RAS), the Federal Agency for Scientific Organizations (FASO Russia), Russian Foundation for Basic Research (RFBR).