CS507 Information Systems Assignment 3 Solution Fall 2012

Question 1:   (10 Marks)

You have to draw the flow chart of a Computerized Library Management System. Following are important steps to keep in mind.

  1. User will login to the system
  2. If login failed, he/she has to register as a new user
  3. After successful registration, online book catalogue will be displayed to the user
  4. If login successful, online book catalogue will be displayed
  5. User will search book from book catalogue
  6. If required book is available in the catalogue, user will request for issuance and book will be issued
  7. If required book is not available, user will request for purchase of the book
  8. After processing request for issuance or purchase, system will terminate.

Question 2:   (5 Marks)

Following is the Data Flow Diagram (DFD) for Student Course Registration at University level.

Your task is to identify;

  1. External Entity / Entities
  2. Process(s)
  3. Data Store(s)

External entities are: Student,
Process(s) are: enroll student, verify availability and, Confirmation registration.
Data store are: Course file