In: Computer Science
Task # 1: Create a Context Diagram that describes the
following:
A library management system that works as described below:
When a new book arrives, the librarian open a menu item, which
display a message that
prompts him to enter the following details: Complete ISBN, Title,
Author, and Book Info. The
book management system will create a file and save this file on a
file management system.
Task # 2: Create a Context Diagram that describes the following:
An ATM machine needs to accept a card from the customer. When
the customer enters their
PIN, it is verified by the system. If the PIN is valid, then the
machine keeps the card,
otherwise, the machine returns the card to the customer.
Context Diagram for Library Management System
In the above figure , the centralized server is the library management system.there are two scanerios. One is the arrival of the book.Details such as arrival and number of books are marked.Then the menu appears for entering the name, auther and info of the book.Then it will be displayed.
ATM System
The above diagram shows the context diagram for the ATM System.The central node contains the ATM machine which allows the customer to enter his pin and then validates.If the pin is correct, the machine keeps the card in the machine and the rest of the transcation.