mohammad hossein haji, australian government broadcasting agency in try to run programs the new training will introduce children over 5 years of age and students with the principles of media literacy and the skills of safe presence in cyberspace. for this purpose, the australian government, in cooperation with an educational foundation , offers free classes to child and adolescent users so that they can gain the necessary insight to deal with the possible challenges of using virtual space and online environments. the success of knowledge bases in the mass production of all kinds of computer memories. specialists of a knowledge-based company, by internalizing the technical knowledge of producing all kinds of computer memories, succeeded in meeting the needs of industries in providing such parts. the production of iranian computer memories prevents the annual departure of more than 2 million dollars from the country. all kinds of memories are used to store information and data in computers. this product is one of the parts imported to the country. its production technology has been interna