Question No .3

PART (a)

Given the following scenario:

In an Application Store portal, items are managed for mobile users. Users can browse, download and install items of their interest from Application Store to their mobile device. You are required to draw an Entity Relationship Diagram (ERD) to present above scenario. Apply appropriate cardinality and modality among entities of ERD.

PART (b)

Given the following scenario:

In campus management system, one of the work flows has following description;

A Student submits admission form to apply for admission in university. The form is evaluated and approved forms are shortlisted. Shortlisted students are invited for interview. After interview of students, selected forms are stored in database. You are required to draw a Data Flow Diagram of above scenario.