Let's assume that you have been employed by a University to design Library Management System for the University. The following classes have been given to you to assist you create the class diagram. User Class - It manages all operations of user. • Librarian Class – It manages all operations of Librarian. Book Class - It manages all operations of books. It is basic building block of system. Account Class - It manages all operations of account. Library database Class – It manages all operations of library database. • Staff Class - It manages all operations of staff. Student Class - It monr Os oll operations of student

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Q: What exactly is ASCII and how did it come to be?

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