2.information technology
Information arena appeared as a result of the movements of the societies from industrial to informatics revolution. Many countries are trying to join this stream to achieve economic, cultural, social, and political development (Mutula 2006). Started by the advent of PCs since 1980s, this arena has changed different aspects of personal lives and global interactions because of providing high volume of information and easy access to them. For the high speed of changes in this period, adoption with them should be a priority since continuing the previous methods will be very risky. Nowadays, power symbols have changed from having factories and productions into having intellectual assets in different sections of the society (moradi and hashemi 2006). A simple definition of information technology are software, hardware, and knowledge management. Some scholars define information technology as a science based on in formation processing, management, and cheap information inputs resulting from technologic advances in microelectronics(Parvizian and Saremi 2006). In a general classification of informatics systems, grouping is according to the performance, based on the systematic support of specific performance areas in the organization.