MIS Top level data flow chart

MIS It's a management information system , It is a person oriented guide , Using computer hardware , Software , Network communication equipment and other office equipment , Information collection, transmission, processing, storage, update, expansion and maintenance system .
MIS management information systems (Management Information System, abbreviation MIS) It is a person oriented guide , Using computer hardware , Software , Network communication equipment and other office equipment , Collect information , transmission , machining , Storage , to update , Systems for expansion and maintenance .
Data flow chart (Data Flow Diagram,DFD/Data Flow Chart), It is a main tool to describe the data flow of the system , It uses a set of symbols to describe the information in the whole system , It comprehensively reflects the flow of information in the system , Handling and storage . Data flow diagrams have two characteristics : Abstractness and generality .