Information System

Running head: INFORMATION SYSTEMS
Information System
Name of the System
Name of the University
Author’s note:

1INFORMATION SYSTEMS
Table of Contents
Part A: Context and Data Flow Diagrams.......................................................................................2
Task 1: System Requirements.....................................................................................................2
Task 2: Context Diagram.............................................................................................................4
Task 3: Level 0 Data Flow Diagram............................................................................................5
Part B: System Prototype.................................................................................................................7
Task 1: ERD................................................................................................................................7
Task 2: Data Dictionary...............................................................................................................7
Bibliography:.................................................................................................................................11

2INFORMATION SYSTEMS
Part A: Context and Data Flow Diagrams
Task 1: System Requirements
Functional Requirements: The functional requirement define the purpose of the system
and what processes it will complete. The functional requirements of the system are as following.
i. Registration: The potential customer of Books for All has to register to the
system to borrow books. In order to register into the system, the customer have to
provide their personal details like first name, last name, email address, telephone
number, address and date of birth to the system. Along with their personal details,
the system will ask the customer to enter the user name and password. The
password should be of eight character long and include upper-case letter and
numbers. During the registration process, the credit verification is also done.
Credit card verification is essential as system will charge the customer by
deducting amount from back account to which the card belongs. In order to store
credit card details, the customer will provide their credit card details to complete
the registration process. After completion of the registration an auto generated
unique membership id will be given to the customer.
ii. Login: After successfully completing the registration process, the customer can
login to the system using the same username and password they provided during
registration. Only after successfully completing the login process, the member can
look for books in the system.
iii. Search Books: The members can use the system for searching books. The system
will show the books that are stored in its database. For a book that is not stored in

3INFORMATION SYSTEMS
the database, the system will show an error message that requested book is not
available. Member can also look for books using the catalogs. Books can be
searched by author, publication and genre.
iv. Borrow Books: The members can borrow books from system directly. The digital
copies of are borrowed and after rent period is over, the books will expire from
member device. For borrowing books, the member will just click on the rent.
After that the system will automatically download the digital copy of the book
into member’s device.
v. Reports: The system will also generate reports based on the rents for a particular
month. These reports will be accessed by Helen only.
Non-functional requirement: The non-functional requirement determine the coding
quality and how well the system will perform. The non-functional requirements are as following.
i. Security: The system needs to be highly secure as it will store the card details of
the member. The system must be able to prevent any malicious activity and
servers should be capable of preventing DDoS attack.
ii. Availability: The system must provide services to the potential customers and
members 24*7. The members can use the system to borrow books anytime.
iii. Usability: As the system can be used by any age group, the system usability must
be effective enough to provide everyone same quality of service. It should have a
great navigation and learnability feature.