4- Course Content :-

• Introduction to the subject of information system. Data, information and knowledge. The components of system.
• The attributes of quality information. The resources of information system.
• The types of information system. The level of managements.
• The hierarchy of data organization in computer storage. The methods of file organization.
• The limitations of file oriented environments. The database environment and their models.
• Discriminate between decision support systems and expert systems.
• Study the application of expert systems.
• Modes of transmission: Half duplex, Full duplex.
• The concept of communication media .Types of the transmission medias; twisted pair wire; coaxial cables.
• Optical fiber; microwave transmission medias.
• The network protocols.
• The types of network topologies.