The development of information technology has allowed human contact to transfer information that is fine, so the call came back in my mouth at the start or once, and Field Marshal McLuhan believed The owner of the cosmic village theory. Dr. Imad Al-Wahab Al-Sabbagh mentioned four stages of technological development: The first stage: manual means. The second stage: the use of mechanical means with the beginning of the invention of machines. o The third stage: electromechanical methods, and lasts until the eighties of the last century. The fourth stage: begins in the last decade of the last century and continues to the present day. It was characterized by an intensive use of electronic means and its multiplicity. Information technology Linked to reality, temporally and spatially, on the one hand, and linked to practical activities and change Productivity in all its dimensions, on the other hand. The mud and papyrus leaves bear witness to multiple inventions for a single purpose and are preserved The information was passed on to others, and the inventions therefore deployed what this revolution brought about by the Germans Gothenburg in the second half of the 15th century , when he discovered the lettering Le mobile, considered by some to be the first information revolution. It was an industrial revolution In Europe as well as the development of scientific research and the growing importance of information in all aspects of family life A leading role in the advent of information technology as it is the case today. The second half of the 20th century saw many rapid technological developments Information ranging from the invention of computers and their accessories to the use of networks and information systems For information to be electronic, the person who finds himself can contact anyone at Any point of the world, thanks to new information technologies, it has become possible for a person from. All you need is a computer and a network. 1 gets to know the world over a finger Not only has this service remained limited to a small segment of society, but rather to information technology A brilliant generation of information was born, because it accustomed to using these methods, for example, we find Those who prefer to communicate via what offers the Skype program is better than using a mobile phone. The cosmic village in which we live today is only the tip of the development of information technology, here We conclude that the development of information technology is linked to two things: o Increase the importance of 'information' as the main raw material referenced during the. 2 Any decision of tangible importance to obtain correct results "o Evolution of scientific research with the development of society in all political and economic and social fields. 1 - fondin, h.recherch and process information. Paris: hatchet, 1