Question

Complete the following use case description table for the use case ‘Borrow Books’ Use Case Name Scenario Triggering Event Primary Actors Related Use Case/s Precondition Post Condition Main Flow Exceptions Special Conditions

the subject is ICT103 System analysis and design of IT

Answer 1

USE CASE DESCRIPTION TABLE FOR THE USE CASE "BORROW BOOKS"

Use case diagrams are representations of user interaction with user and how the system behaves when tested for different types of use cases.

Use Case Description table briefly explains all the actors,events and conditions for the particular system.

Borrow books Use Case Description
Identifier	BB-01
Description	Adminstration system for borrowing books from a library.
Primary Actors	Librarian, Borrower
Preconditions	A borrowing request is initiated by the system.
Postconditions	The member should not exceed the borrowed book limit. There should be no loan pending for the borrower.
Triggering Event	Request for borrowing book.
Event flow	The use case is initiated when the borrower indicates that they want to borrow a book. System checks if the borrower has no pending loans and the borrowing limit is not reached. The borrower checks for a book and the system shows if a book is available or not. If the book is available, the system lends the book to the borrower. The system updates the borrowed books table and loan table for the borrower.
Exceptions	The borrowing limit is reached Loans are pending for the borrower. The book is not available. The book is available but is restricted due to some reasons.
Special exceptions	The sytem should be able to distinguish between the admin and borrower. Special cases allowed by the librarian.