Information system   Question 2: Suppose you have the following scenario: People who use the Palm Tree System are either farmers or experts. They both have name and phone number. The farmer has address and has the ability to search and buy a product, reserve an appointment and add comments. An expert has a number of years of experience and can answer questions and post advices. An Expert can communicate with many farmers while a farmer can communicated by only one expert.     By using Star UML tool, draw a Class diagram for this scenario.

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Venture Holdings Ltd wants to have a system that can help them manage their cash register procedure. Below is the scenario that shows the activities to be automated. A customer arrives at the checkout to pay for various items. The cashier records the bar code number of each item and the quantity if it is greater than one. The cash register displays the price of each item and its description. When all the purchases are recorded, the cashier indicates the end of the sale. The customer can present money-off vouchers for certain items to the cashier The cash register displays the total cost of the purchases. The customer selects his or her payment method: Cash: the cashier takes the money from the customer and puts it in the cash register; the cash register indicates how much change the customer is to be given; Cheque: the cashier verifies that the customer is financially solvent by sending a request to an authorisation centre via the cash register; Credit card: a banking terminal forms…

Draw an ER Diagram for the following Business Situation: A bank has a phone call system in which the costumer can call and talk to one employee and inquire of their existing account. Costumer can have two type of accounts, checking account or savings account, client can own both type of accounts. One of the assumptions which is being made with this project is all interactions will be over the phone. Clients would call in to the business’ account representatives who will have to search the client in internal database. Once the client has been searched in the database, representative will go forth and verify the client via personal information displayed through the database. Personal Information would include, full name, address, last 4 of social security, and account number. The project will assume that the business is domestic, and all clients are in the United States. Once the client is verified, representative can discuss business related queries, including transactional questions…