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

This Use Case Diagram is a graphic depiction of the interactions among the elements of E-Voting Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of E-Voting Management System. The main actors of E-Voting Management System in this Use Case Diagram are: Super Admin, System User, Voter, Candidate, who perform the different type of use cases such as Manage Voting, Manage Register, Manage Candidate, Manage Citizen, Manage Polling, Manage Result, Manage, Manage Users and Full E-Voting Management System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Election Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Election Management System. The main actors of Election Management System in this Use Case Diagram are: Super Admin, System User, Voter, Candidate, who perform the different type of use cases such as Manage Elections, Manage Candidates, Manage Election Commision Rules, Manage Votes, Manage Registration, Manage Users and Full Election Management System Operations.

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

This Use Case Diagram is a graphic depiction of the interactions among the elements of Employee Attendance System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Employee Attendance System. The main actors of Employee Attendance System in this Use Case Diagram are: Super Admin, System User, Employee, Company, who perform the different type of use cases such as Manage Attendance, Manage Employees, Manage Holidays, Manage Leave, Manage Login, Manage Users and Full Employee Attendance System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Employee Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Employee Management System. The main actors of Employee Management System in this Use Case Diagram are: Super Admin, System User, Employee, Manages, who perform the different type of use cases such as Manage Employee, Manage Salary, Manage Leaves, Manage Experience, Manage Login, Manage Users and Full Employee Management System Operations.

This Use Case Diagram is a graphic depiction of the interactions among the elements of Exam Seating Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Exam Seating Management System. The main actors of Exam Seating Management System in this Use Case Diagram are: Super Admin, System User, Examiner, Student, who perform the different type of use cases such as Manage Student, Manage Block, Manage Room, Manage Exam, Manage Seat, Manage Teacher,, Manage Users and Full Exam Seating Management System Operations.

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

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

This Use Case Diagram is a graphic depiction of the interactions among the elements of Expo Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Expo Management System. The main actors of Expo Management System in this Use Case Diagram are: Super Admin, System User, Organizer, Customer, who perform the different type of use cases such as Manage Expo, Manage Tickets, Manage Ticket Prices, Manage Bookings, Manage Company, Manage Customers, Manage Users and Full Expo Management System Operations.