![]() Reliability: The system shall be 24 hours a day, 7 days a week and not more than 10% down time.Usability: The desktop user interface shall be Widows NT or Windows 2000 compliant.If the reserved item has been purchased or available, the borrower must be notified. Common functionalities: Multiple users must be able to perform their work concurrently.Scope: This supplementary specification defines the non-functional requirements of the system such as reliability, performance, support ability, and security as well as functional requirements that are common across a number of use cases.The supplementary specification and use case model together capture a complete set of requirements of the system. This document lists the requirements that are not readily captured in the use cases of the use case model. ![]() Objective: The purpose of this document is to define the requirements of the library system.Capabilities include basic login, browsing and searching for titles. This includes borrowers, librarians, and master librarians. Registered user: Any interactive user for whom the system maintains a system account.Master librarian: Interactive actor, themselves a librarian, who is also responsible for maintaining the set of librarians for the system.Librarian: Interactive actor responsible for maintenance of the inventory, acting on behalf of the borrowers, and general support of the library (non-automated as well).Actors: Borrower - Interactive actor who uses the library to search for titles, make reservations, checkout, and return items.Reservation: Whenever a borrower wishes to checkout an item that is not available due to previous checkout by a different borrower a request can be made (a reservation) that locks the borrower in as the next person able to checkout the item. ![]() Includes attributes like name and description. Title: The descriptive identifying information for a book or magazine.Key terms are denoted in italics within the use case specifications. ![]()
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