Management Information System

unit – I introduction to information system –definition – features – steps in implementation of MIS – need for information – information system for decision making – MIS as competitive advantages – MIS structures. Br>unit- II MIS- strategic information system - MIS support for planning – organizing – controlling – MIS for specific functions – personnel finance marketing Inventory production – Data base management system models – hierarchical – network – relational – modular. Br>unit –III computer hardware – description of electronic computers – br>cpu operations – classification of computers – main – mini – workstations – micro computers – super computers – personal computers. Computer software – types of software – Data representation in computers – introduction to client server. Br>unit – IV input devices – mouse – touch screens _ micr – ocr – keyboard – pen based input – digital scanners – voice input devices – sensors. Output devices – impact printers – Non – impact printers – video display terminals – plotters – voice output devices. Secondary storage devices – magnetic disk floppy magnetic tape optical disc storage – CD- rom. Br>unit –V Telecommunication revolution – introduction to e –Mail Internet Intranet and teleconferencing www architecture introduction to e- commerce models b_b B_ C and EDI EDI applications in business electronic payment cash smart cards and credit cards.