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- state transition diagram. Draw a state diagram for describing the details of the Seat object of the above system. Consider an online reservation system for a bus company. Seats can be reserved by customers on the web site of the bus company. The customer has the option to directly pay for the seat through the website. In that case, the seat cannot be cancelled (neither by the customer nor by the bus company). If the customer has not paid for the seat, the bus company can cancel the seat if the customer does not show up one hour before the trip. When the reservation is cancelled, the seat will become free and can be sold to another customer. Both the customer and the company staff must authenticate themselves for performing operations with the system.UML Diagrams b. Prepare a state diagram for an account. Consider the cases of: overdrawn, account with incorrect PIN, open ,close. - list the states for the account class - find out the events -from each event consider transition among the states -suspended state: the access to the account is blocked -overdrawn state: when customer withdrawals exceed the balance in the account -start from the normal stateDraw the class diagram for these scenarios for entities it should have primary key. Scenario 1 A hotel caters mainly to company retreat groups, and wants to model this information to use in a management system. A retreat group consists of a number of that company’s employees as hotel guests. The system needs to track which room each guest stayed in, as well as which group the guest is part of. Scenario 2 A library wants to model information about its inventory, and which patrons have which books checked out. The library can have multiple copies of a single title, and the model needs to indicate which copy of the title is checked out by a particular patron. Scenario 3 A doctor's office providing health services needs to track all of its patient visits. The date of the visit, along with any diagnoses needs to be stored. Keep in mind that a patient can have more than one diagnosis per visit, and that any particular diagnosis can be made to multiple patients.
- Draw a state machine diagram that represent the coffee machine as described below: The initial state of the coffee machine when the power is up by worker is idle. When a customer insert coin, the state of the machine change to inserting coin. After the right amount of coin has been inserted, the state will be in making selection where customer can choose coffee and press the button start. During inserting coin and making selection, if the customer decides not to proceed, he/she can press a cancel button and the machine will become idle again. Once the start button is pushed the machine state is changed to make coffee. After the coffee is done, the machine will be idle again. If either cups or coffee is finish, the machine will change its state to need maintenance. After the maintenance has been done, worker will press a reset button and the machine will change to idle state. Finally, the machine will shut down when the worker power off the machine.Question#3: Draw an activity diagram for the following scenario: In an online purchasing system, the buyer requests to buy an item. In parallel, the system looks up whether the item exists in the store and verifies if the buyer has an account with the system. If the buyer does not have an account, the system will ask for registration info from the buyer to open an account. If the buyer does not provide registration info, the system exits. If the item does not exist in the store, the system exits. If the item exists, the system will check if the item price is less than or equal to buyer’s account balance. If the buyer has enough money in the account to purchase the item, the system completes the purchase order successfully. If the buyer does not have enough money, the system exits.8. Draw the state transition diagram for, login verification part of an online banking system system of XYZ Company. Logging in consists of entering a valid social security number and personal id number, then submitting the information for validation. Logging in can be factored into four non-overlapping states: Getting SSN, Getting PIN, Validating, and Rejecting. From each state comes a complete set of transitions that determine the subsequent state.
- Draw a State Transition Diagram (STD) of auniversity from enrollment of student to his/her pass-out. You willhave to draw the diagram up to N level to cover all the activitiesof university starting from enrollment request by student to finalpass-out process after completion of degreeComputer Science Class diagram and Object diagram Answer the following questions based on the scenario below of a Request For A Cleaning System. Busy Bees Home Cleaning Service employs a number of cleaners that take cleaning jobs from a central dispatch service. Customers can request a cleaning job by phoning in and making an appointment. The employee that takes the call checks if there is sufficient staff for the appointment. If there is, the employee records the customer and appointment. If there isn’t the staff member suggests other times that are available. Customers can also request a regular cleaning service (e.g. weekly), as well as a specific cleaner. If there is any variation in the job (e.g. the customer requests that windows be cleaned in addition to the normal cleaning job) the cleaner informs the office before the bill is credited to the customer’s account. Most customers are charged via their credit card; regular customers can have an account whereby they are invoiced on…Draw an entity realtionship diagram (ERD) with the instruction given below: in a private hospital there are many doctors working Doctors examine many patients Each patient examined by only one doctore Each doctor wrires many prescripitons A prescription is written by only one doctor
- Question # 2: Draw an ER of following scenario Vehicle registration System has three types of users Admin, Applicant and Bank Employee. There is only one Admin in this system. The system is intended to do two major tasks i.e. registration, verification, tax/token fee payments and transfers of vehicles and keeping track of vehicles insurance. Different types of users have different privileges to the system, whereas admin has the maximum access to the system. It also keep track of every enrolled vehicles and can generate the reports for admin. In our system applicant fills the registration form as per its required specification and submits it to system, where its data is shifted on system by profiling it, here system will check the applicant’s registered information in order to abide by the redundancy factor of data then the application of end user is submitted in accordance to its feasibility of requirements likewise vehicle registration or…Examine this UML diagram and select all correct statements. Standard Response +respond(): Result 1 Team Member +name: String -responseMode: ResponseMode #setResponseMode(RespinseMode) #getResponseMode(): ResponseMode > ResponseMode Teammate +respond(): Result TriageResponse +respond(): Result OutbreakResponse +respond(): Result Team Member objects associated through the association labeled Teammate have references to each other One TeamMember object is associated with zero or more Team Member objects via the association labeled Teammate Objects from a class external to TriageResponse cannot call its respond method ResponseMode objects can be instantiatedDraw an activity diagram for ticket vending process. A vending machine is used to dispense ticket. System will request for trip info and commuter will provide the info such as the destination. System then will process the trip info and request for payment. Commuter then provides payment. System then will analyze whether payment is being made by cash or card. If card been used, it will request for authorize from bank before it dispense the ticket. While if cash been used, it will direct dispense the ticket to commuter. If there is available balance, system will dispense the change to commuter. System then shows the "thank you" message before it ends the session.