need to create dfd and er model of management

need to create dfd and er model of management


Job Description

i want to get solved one case study:
4.1.1 Environmental model specification
• Event list for the system
• Context ( i.e. Level 0) Data Flow Diagram (DFD)

4.1.2 Internal model specification
• Entity Relationship Diagram (ERD) for the system
• The ‘middle level’ DFD fragments
• The ‘upper level’ DFD
• Lower level DFDs
• Data Dictionary (with definitions of major data flows and definitions of data stores and entities)
• Process specifications (Pspecs) for elementary processes

4.1.3 Design specification
• Structure chart (upper level) for the whole system
• Module specification (Mspecs) (A template for Mspecs is given in the Foot-notes.)

please reply me if you read the specifications clearly. write "gagan" when you start typing your reply .
if you have any sample work let me know as well.
send me your skype name as well.