A computer manufacturer offers the possibility of purchasingcomputers via the Internet. The customer can select a computer onthe manufacture’s web page. The computers are classified intoservers, desktops and portables. The customer can select a standardconfiguration or can build a desired configuration online. Theconfigurable components are presented as pick lists of availableoptions. For each new configuration, the system can calculateprice. To place an order, the customer must fill out the shipmentand payment information. Acceptable payment methods are creditcards and checks. Once the order has been entered, the system sendsa confirmation e-mail message to the customer with details of theorder. While waiting for the arrival of the computer, the customercan check the order status online at any time. The back end orderprocessing consists of the steps needed to verify the customer’scredentials and payment method, to request the orderedconfiguration from the warehouse, to print an invoice, and torequest the warehouse to ship the computer to the customer.Consider the following extended requirements: The customer uses themanufacturer’s online shopping web page to view the standardconfiguration of the chosen server, desktop or portable computer.The customer chooses to view the details of the configuration,perhaps with the intention of buying it as it or to build a moresuitable configuration. The price for each configuration can becomputed at the customer’s request. The customer may choose toorder the computer online or may request that the salespersoncontact him/her to explain order details, negotiate the price, etc.before the order is actually place. To place the order, thecustomer must fill out an online form with shipment and invoiceaddress, and with payment details (credit card or cheque). Afterthe customer’s order has been entered into the system, thesalesperson sends and electronic request to the warehouse withdetails of the ordered configuration. The details of thetransaction, including an order number and customer account number,are e-mailed to the customer, so that the customer can check thestatus of the order online. The warehouse obtains the invoice fromthe salesperson and ships the computer to the customer.
For the above Scenario draw the UMLdiagrams
Q1: Draw Activity diagram make possible assumptions andalso draw Sequence diagrams of the major 3 functions?
