This Use Case Diagram is a graphic depiction of the interactions among the elements of Mobile Shop Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Mobile Shop Management System.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Movie Library Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Movie Library Management System.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Movie Ticket Booking System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Movie Ticket Booking System. The main actors of Movie Ticket Booking System in this Use Case Diagram are: Super Admin, System User, Hall Owners, Customer, who perform the different type of use cases such as Manage Movie, Manage Customer, Manage Booking, Manage Payment, Manage Seats, Manage Shows, Manage Users and Full Movie Ticket Booking System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Multi User Chat Application. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Multi User Chat Application.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Multiple Choice Quiz System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Multiple Choice Quiz System. The main actors of Multiple Choice Quiz System in this Use Case Diagram are: Super Admin, System User, Examiners, Candidates, who perform the different type of use cases such as Manage Students, Manage Examinations, Manage Marks, Manage Courses, Manage Papers, Manage Results, Manage Users and Full Multiple Choice Quiz System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Music Library Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Music Library Management System.

This Use Case Diagram is a graphic depiction of the interactions among the elements of News Portal System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of News Portal System. The main actors of News Portal System in this Use Case Diagram are: Super Admin, System User, Author, User, who perform the different type of use cases such as Manage News, Manage Types, Manage Contents, Manage Media, Manage Advertisement, Manage Latest Posts, Manage Users and Full News Portal System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Office Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Office Management System. The main actors of Office Management System in this Use Case Diagram are: Super Admin, System User, Office Managers, Student, who perform the different type of use cases such as Manage Offices, Manage Employees, Manage Resources, Manage Tasks, Manage Attendance,Time Entries, Manage Users and Full Office Management System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Onile Gas Booking System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Onile Gas Booking System. The main actors of Onile Gas Booking System in this Use Case Diagram are: Super Admin, System User, Agencies, Customers, who perform the different type of use cases such as Manage Gas, Manage Connections, Manage Customers, Manage Bookings, Manage Payments, Manage Delivery, Manage Users and Full Onile Gas Booking System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Online Crime Investigation. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Online Crime Investigation.