Transaction processing sytems TPS Management information systems MIS

�������� ��� • • • Transaction processing sytems (TPS) Management information systems (MIS) Decision support systems (DSS) Executive Information systems (EIS) Expert systems and Knowledge-based systems(ES) Office information systems

�������� �� • ������ External Senior ������ Management ------------Middle Management -------------------Operational Management -----------------------------Productional , Clerical , Nonmanagement Employee • ���������� , ������ Internal , �������

Transaction processing sytems (TPS) • ����� Manual Process ���� Computer Based Process • �������������� ( Day to day Operation( • �������� �� ������ • Record Keeping , File-oriented systems ����������� • Data Capture -> TP -> File Maintainence (Update Master File)-> Reporting • ��������� operational level • ������ Batch Processing ��� Online Processing

Management information systems (MIS) cont’d • ����������� �� ��������������� • ���������� Managerial Level • ���� Marketing Information Systems – ��������� ��� sales information , Product Management Information , Marketting Intelligence. – �����������

Office Automation Systems • �������������������� ���������� • ���������� Word Processing , Electronic Spreadsheet , Database Software , Image Processing , Conferencing System