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- A college offers correspondence courses to students. Each course lasts 20 weeks and is based on a weekly study module and progress test. At the end of the course students sit an invigilated examination. The college Registrar deals with enquiries and applications, and students applying who have sufficient qualifications are asked to register by completing and submitting an application form. After approval by the Academic Director, the application form is returned to the Registrar who creates a student file. The Accounts department receive the application form and using information from the student file creates an invoice that is sent to the student. Payments made are registered on the invoice file. The first batch of student material and tests is issued from the library only to students who have paid fees (this information is taken from the invoice file). Progress tests are marked by academic staff and the results, together with comments, are sent out with next week’s study block. The…Property Estate AgentClients who want to sell their home go to an estate agent, who will take measurements of their home, flat, or bungalow and record them on a card that is organised by area, price range, and type of property. A similar type of card is completed by potential purchasers and filed in an A4 binder by buyer name. The estate agent matches the needs of potential buyers with available houses on a weekly basis and provides them the data of selected properties. When a sale is completed, the buyer acknowledges that the contracts have been exchanged, the client's information is removed from the property file, and the customer receives an invoice. The top copy of a three-part set is given to the client, with the other two copies being filed.The invoice copies are stamped and archived once payment is received. Monthly invoices are reviewed, and accounts that have not been paid within two months receive a reminder (the third copy of the invoice).Question 1 With reference to…Database Systems: System Description: Branches Dream Home has branch offices in cities throughout the United Kingdom. Each branch office is allocated members of staff, including a Manager, who manages the operations of the office. The data describing a branch office includes a unique branch number, address (street, city, and postcode), telephone numbers (up to a maximum of three), and the name of the member of staff who currently manages the office. Additional data is held on each Manager, which includes the date that the Manager assumed his or her position at the current branch office, and a monthly bonus payment based upon his or her performance in the property for rent market. Staff Members of staff with the role of Supervisor are responsible for the day-to-day activities of an allocated group of staff called Assistants (up to a maximum of 10, at any one time). Not all members of staff are assigned to a Supervisor. The data stored regarding each member of staff includes staff…
- ACTIVITY DIAGRAM ASSIGNMENT STUDENT COURSE REGISTRATION • The advisor opens the course registration portal. • The advisor enters student information into the system. • A validation test is conducted. If the student is not registered, the system refers the student to the registration office and ends the process. • If, however, the student is registered, the advisor checks the student's academic term. • If the student is in an academic term one, s/he is given only 5 courses. However, if the student is in his or her second academic term and above, s/he is given 6 courses. • Confirm course and end process. DiagramExplain the concept of data binding in the context of software development, and provide examples of how it is used in user interfaces.The process of putting data into a database begins with the collection and organization of the data.
- A record company wishes to use a computer database to help with its operations regarding its performers, recordings and song catalogue.• Songs have a unique song number, a non-unique title and a composition date. A song can be written by a number of composers; the composer’s full name is required. Songs are recorded by recording artists (bands or solo performers). A song is recorded as a track of a CD. A CD has many songs on it, called tracks. CDs have a unique record catalogue number, a title and must have a producer(the full name of the producer is required). Each track must have the recording date and the track number of the CD.• A song can appear on many (or no) CDs, and be recorded by many different recording artists. The same recording artist might re-record the same song on different CDs. A CD must have only 1 recording artist appearing on it. CDs can be released a number of times, and each time the release date and associated number of sales is required?Requirements About the System: A local library intends to modernize its operations and seeks your assistance in designing its system. The following are the requirements for the library system: The library possesses a collection of books that can be borrowed by its members. Each book has a unique ISBN, title, author, and publication year. Members can search for books, check their availability, and place a hold on a book if it is unavailable. When a book is available, the member can borrow it and the due date will be calculated based on the library's lending policy. Members can return books, and the system should keep track of the books they have borrowed and the ones they have returned. Q1: Use Case Diagram: Identify the use cases for the library system and draw a use case diagram to depict the relationships between the actors and use cases. (I need help with a use case diagram using the requirements above. We are doing these in drawio) Here is an example of what one is supposed to…A bank requires a database designed to keep track of its customers accounts. Each customer may have a number of accounts. Each of these accounts may be in the name of one or more customers. Each account is located in a particular branch of a bank. In addition, each customer may have zero or more loans with the bank. Each loan must be with one or more customers. Each loan is also located in a particular branch. The database must record the following information: The name of the bank, its address and its main telephone number The address and the sort code for each branch The name of each customer, the customers address and the customers telephone number For each bank account: the account number, its balance and the type of the account For each loan: the loan account number, the outstanding balance and the interest rate The database must also record the various relations between the different entities in the database Draw an entity relationship diagram for the database. In your diagram,…
- Requirements About the System: A local library intends to modernize its operations and seeks your assistance in designing its system. The following are the requirements for the library system: The library possesses a collection of books that can be borrowed by its members. Each book has a unique ISBN, title, author, and publication year. Members can search for books, check their availability, and place a hold on a book if it is unavailable. When a book is available, the member can borrow it and the due date will be calculated based on the library's lending policy. Members can return books, and the system should keep track of the books they have borrowed and the ones they have returned. Questions: Q1: Use Case Diagram: Identify the use cases for the library system and draw a use case diagram to depict the relationships between the actors and use cases. how to create use case diagrams: https://drawio-app.com/uml-use-case-diagrams-with-draw-io/ Q2: Identification of Classes and…Explain the concept of data binding in computer programming, highlighting its significance in software development.Requirements About the System: A local library intends to modernize its operations and seeks your assistance in designing its system. The following are the requirements for the library system: The library possesses a collection of books that can be borrowed by its members. Each book has a unique ISBN, title, author, and publication year. Members can search for books, check their availability, and place a hold on a book if it is unavailable. When a book is available, the member can borrow it and the due date will be calculated based on the library's lending policy. Members can return books, and the system should keep track of the books they have borrowed and the ones they have returned. Question: Sequence Diagrams: Draw a sequence diagram including: the scenario where a member searches for a book and borrows it the scenario where a member returns a book to the library How to create sequence diagrams: https://drawio-app.com/create-uml-sequence-diagrams-in-draw-io/