This document discusses data flow diagrams and their three main parts: entities, processes, and data flows. It instructs the reader to create data flow diagrams for six information systems: a library information system, examination information system, accounts information system, sales information system, HR information system, and customer information system.

1. Data Flow Diagrams
MIS

2. 3 Main Parts of DFD
•Entity
•Process
•Data Flow
–Data Store

8. Make DFDs for following Systems
• Library Information System
• Examination Information System
• Accounts Information System
• Sales Information System
• HR Information System
• Customer Information System