e name, address, and last order date is automatically brought up on the screen. Once the der is taken, the total, including delivery, is calculated. Then the order is given to the cook. receipt is printed. Occasionally, special offers (coupons) are printed so the customer can et a discount. Drivers who make deliveries give customers a copy of the receipt and a coupon f any). Weekly totals are kept for comparison with last year's performance.
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case study for system analysis and design
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- Please assist with problem.For the following scenario for a point of sale system, draw the following: • A mail order company that distributes CDs and tapes at discount prices to record club members (tells the purpose of the system). • When an order processing clerk receives an order form, she verifies that the sender is a club member by checking the MEMBER FILE. If the sender is not a member, the clerk returns the order along with a membership application form. • If the customer is a member, the clerk verifies the order item data by checking the ITEM FILE. Then the clerk enters the order data and saves it to the DAILY ORDERS FILE. • At the same time, the clerk also prints an invoice and shipping list for each order, which are forwarded to the ORDER FULFILLMENT DEPARTMENT for processing there. Answer:Appointment scheduling by an administrative staff: The below given is a scenario shows the process of patient appointment scheduling by an administrative staff.The staff login to the system, the system validates the credentials. The staff selects appointmentpage and select an appointment date. Add the patient ID and send for an appointment to thesystem. The system verifies the date and accepts or reject based on the availability of the bookingslot on that particular date. If the booking is available, the database will be updated and sendconfirmation message to the staff, or sends an error message. the proplem: 3.14 - Draw a sequence diagram for the Appointment scheduling by anadministrative staff.Requirements of the sequence diagram The objects involved Messages between the objects The objects’ lifelines A fragment [if any]
- The local DMV processes applications for driver’s license renewals with the following three steps. First, the customer registers with the receptionist, who updates the customer’s information in the database. This first step takes 2 minutes per customer. Then, the customer visits one of two cashiers to pay the associated fees for the license renewal. This takes 8 minutes per customer. Finally, the customer visits one of three license processing stations where the customer’s picture is taken and the license is printed. This final step takes 15 minutes per customer. Assume demand is 20 customers per hour. When the DMV opens in the morning, about how long will it take to process the first 50 customers? (Show your work) A. 3.6 hours B. 3 hours C. 2.8 hours D. 1.9 hoursA program called lsu [104] gives access to role accounts. The user's access rights are checked, and the user is required to enter her password. If access rules allow the change and the user's password is correct, lsu allows the change. Given that Mary uses lsu from her account, why does lsu require her to enter her password? Name the principles involved, and why they require thisA student may register for classes during a specified registration period. To register, a student must see their advisor. The advisor must approve each course that the student has selected. The advisor will use the registration system to determine if the student has met the course prerequisites, is in good academic standings and is eligible to register. If the advisor approves the courses, the advisor enters the student's college id into the course registration system. The course registration number for each course is entered. The course description, course number and section for those courses will automatically display. The system will check for schedule conflicts before saving the registrations. A bill for the courses will print in the Bursar's office. The student should proceed to pick it up. b)Draw a class diagrams which represents the generic objects and relationships described above. Make c)sure to specify multiplicities for all associations shown in your diagrams.----
- What is meant by roundoff errors?If you convert the NFA shown below into a DFA using the procedure described in class, how many states would the resulting DFA have? Answer: 90 91 a b 92In MS Access, to ensure that a grade must be either A, B, C, D or F, whichvalidation rule should be used?A) ="A" or ="B" or ="C" or ="D" or ="F"B) between A and FC) like "A", "B", "C", "D", "F"D) not in ("A" or "B" or "C" or "D" or "F")E) in ("A", "B", "C", "D", "F")