Cross functional information system
Cross functional information system Clambake Company is a cross-functional information system of the third era of information systems, succeeding the calculations systems and functional systems. Cross-functional systems is made to integrate all activities of the entire business process, so they derive the term 'cross' consisting of different departmental boundaries (O'brien, J. A. (2006). Transformation to a cross-functional system from a functional one can be problematic at times, because it contains the coordination of activities along multiple departments, with the users changing the way that they work. There is no clear line of authority, and fierce peer competition can often lead to interdepartmental a rivalry that hinders the development of the new system. In new information, system there is three levels, first is conceptual level (Enterprise Architecture), second is logical level (Information Architecture) and last is physical level (Computing and Networ