is a picture which shows the information that is created, stored, and used by a business system. Model Physical design Logical design ERD

A decision support system (DSS) is an information system that aids a business in decision-making activities that require judgment, determination, and a sequence of actions. Computer science

Stages of development for an information system are often described using this term.

Example in lab. Supplier Order for Supplies Supplies Supplies Information Menu Restaurant Sale Information Payment Receipt Orders Final Bill Served Meals Customer ) Design the Context Diagram (as you learned in the LAB project) System Main Functions Restaurant Management System For Restaurant Personnel Show restaurant tables Show table status (available, occupied, and dirty) - Change table status Enter customer order Modify order details Cancel order Make payment