Data and information. Numericand textualdata. Formats ofimages,audioandvideomaterial. Datastoring. CPUs. Computer networks. Data organization. Processingof numericaldata.Processingand presentation oftextual and multimediadata.Internetapplications. Electronic business. The impactof information technologyon today’s societyandits relationshipwithnatural sciences, linguistics, sociology, psychologyandartfield.