Assume you're setting up a new room reservation system for your institution that keeps track of which courses are assigned to which rooms. Assume that each building's rooms are "owned" by one college or department, and that only one person in that college or department has the authority to allocate them. Which conversion approach would you employ?
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- Tyler Richardson set up a house alarm system when he moved to his new home in Seattle. For security purposes, he has all of his mail, including his alarm system bill, mailed to his local UPS store. Although the alarm system is activated and the company is aware of its physical address, Richardson receives repeated offers mailed to his physical address, imploring him to protect his house with the system he currently uses. What do you think the problem might be with that company’s database(s)?The Vegan Garden is a little restaurant that may be found in the tranquil village of Dawnsville. It has been five years since the eatery first opened its doors. At the moment, sales are recorded manually via the use of cash registers, and monthly sales reports and other corporate paperwork, such as information on employees and suppliers, are kept in dated filing cabinets. The owner of Vegan Garden has made the decision to develop an information system. He then went and sought the aid of a company that specializes in information technology in order to design an information system that would be suitable for the current commercial operations of the Vegan Garden.You have been given the responsibility of serving as the project manager for the creation of the Vegan Garden information system.As the project manager of the development project, it is your responsibility to advise the owner of Vegan Garden about the information system security issues that exist. Provide an explanation for ANY…There have been several actors who have played the titular character in the British sci-fi series Doctor Who since the show began in the early 1960s. In 2005 the series was rebooted and Christopher Eccleston, David Tennant, Matt Smith, Peter Capaldi, and Jodie Whittaker have all played the Doctor since. Several Whovians (fans of the show) were asked to rank the actors of the Doctor from their favorite to their least favorite. The results are in the preference schedule below using the initials of each actor (so CE = Christopher Eccleston; DT = David Tennant; etc.). 6 8 12 16 17 18 23 20 1st Choice CE DT DT DT MS MS PC JW 2nd Choice MS CE PC PC JW CE JW CE 3rd Choice DT JW CE JW CE DT DT PC 4th Choice PC MS JW MS PC PC CE DT 5th Choice JW PC MS CE DT JW MS MS Is there a Condorcet winner?Answer: Explain: Do any of the voting methodsPlurality Method, Instant…
- Draw activity Diagram for the following use case scenario. "When a customer calls the Agent on the phone, they are asked about the Arrival date and time, and the Destination city. The agent then informs the customer about the available route timings. The customer then selects the appropriate route timings and number of seats he wants to reserve. The agent confirms if seats are available, then asks the customer for his name and phone number. Finally, the agent informs to the customer about successful reservation"The State of New York certifies firefighters through- out the state and must keep track of all of them, as well as of the state’s fire departments. Each fire department has a unique department number, a name that also identifies its locale (city, county, etc.), the year it was established, and its main telephone number. Each certified firefighter has a unique fire- fighter number, a name, year of certification, home telephone number, and a rank (firefighter, fire lieu- tenant, fire captain, etc.) The state wants to record the fire department for which each firefighter currently works and each firefighter’s supervisor. Supervi- sors are always higher-ranking certified firefighters. Construct a relational database for New York’s fire departments and firefighters.There have been several actors who have played the titular character in the British sci-fi series Doctor Who since the show began in the early 1960s. In 2005 the series was rebooted and Christopher Eccleston, David Tennant, Matt Smith, Peter Capaldi, and Jodie Whittaker have all played the Doctor since. Several Whovians (fans of the show) were asked to rank the actors of the Doctor from their favorite to their least favorite. The results are in the preference schedule below using the initials of each actor (so CE = Christopher Eccleston; DT = David Tennant; etc.). 6. 8 12 16 17 18 23 20 1st Choice DT DT DT MS MS PC JW CE 2nd Choice CE PC PC JW CE JW CE MS 3rd Choice JW СЕ JW CE DT DT PC DT 4th Choice PC MS JW MS PC PC DT PC MS CE DT JW MS MS 5th Choice JW a. Is there a Condorcet winner? Answer: Explain: b. Do any of the voting methods Plurality Method, Instant Runoff Voting Method, Borda Count Method, Copeland's Method violate the Majority Criterion? Answer: Explain:
- Luxury-Oriented Scenic Tours (LOST) provides guided tours to groups of visitors to the Washington, D.C. area. In recent years, LOST has grown quickly and is having difficulty keeping up with all of the various information needs of the company. The company's operations are as follows: LOST offers many different tours. For each tour, the tour name, approximate length (in hours), and fee charged is needed. Guides are identified by an employee ID, but the system should also record a guide's name, home address, and date of hire. Guides take a test to be qualified to lead specific tours. It is important to know which guides are qualified to lead which tours and the date that they completed the qualification test for each tour. A guide may be qualified to lead many different tours. A tour can have many different qualified guides. New guides may or may not be qualified to lead any tours, just as a new tour may or may not have any qualified guides. Every tour must be designed to visit at least…Each department runs a number of courses. The university provides a set of modules used in different courses. Each course uses a number of modules but not every module is used. A course is assigned a unique course code and a module is identified by a unique module code. A module can be used in one course only, but can be studied by many students. In addition to the module code each module unique title, start date, end date, texts (books), and assessment scheme (i.e., coursework and exam marks percentages) are also stored. Each course is managed by a member of academic staff, and each module is coordinated by a member of academic staff also. The database should also store each course unique title, and duration (in years). A student can enroll in one course at a time. Once enrolled a student is assigned a unique matriculation number. To complete a course, each student must undertake and pass all the required modules in his/her course. This requires that the database store the…Draw the Level 0 and Level 1 Data Flow Diagram for the Omantel Billing System Scenario: The teacher uploads the eLearning question, which is then saved in the QUESTIONS database, and informs the students that the quiz is now available for them to take. When taking the quiz, the student will be randomly assigned questions from the QUESTIONS database. All of the student's answers will be saved in the ANSWER database. The system will automatically mark the quiz by accessing the student answers from the ANSWER database and the correct answer from the Question database, after which the system will notify both the teacher and the student of the results.
- A company has various rules for how payments to suppliers are to be authorized.Some payments are in response to an approved purchase order. For approved purchase orders under $5,000, the accountingclerk can immediately issue a check againstthat purchase order and sign the check. Forapproved purchase orders between $5,000and $10,000, the accounting clerk can immediately issue a check but must additionallyobtain a second signature. Payments for approved purchase orders over $10,000 alwaysrequire the approval of the accounting manager to issue the check as well as the signature of two accounting clerks. Payments thatare not covered by a purchase order that areunder $5,000 must be approved by the accounting manager and a departmental manager who will absorb the cost of the paymentinto that department’s budget. Such checkscan be signed by a single accounting clerk.Payments that are not covered by a purchaseorder that are between $5,000 and $10,000must be approved by the accounting…Instructions: Read the following Case Study and create a context diagram . When a patient arrives at ACME Medical with a prescription refill, the receptionist checks the prescription file for the previous prescription number and adds the prescription to the system. This has to be electronically authorized by a doctor before the resident pharmacist can dispense the medication. The system sends a cell phone notification to the doctor of any incoming prescriptions. The pharmacist dispenses the medication to the patient after receiving authorization. If the patient is entitled to free prescriptions, the pharmacist verifies this in the system and fills in the appropriate details on an electronic form, which is filed in the free prescriptions file. Otherwise the pharmacist takes the customers payment information, enters it into the system and gives the patient a receipt.Read carefully the following case:Imagine that you work as an internal auditor for a company that owns several pharmacies throughout the city. Based on your audit plan, the first cycle to audit will be revenue. The first thing you do is document the processes related to receiving and processing the various sources of income. On your initial visit, you were able to observe the following:Once customers have the items to purchase, they head to the register, where a clerk processes the sale. The pharmacy has three cash registers, but does not have an employee who specifically works as a cashier at each one. This provides flexibility in the operation because, of the three employees that the business has, one can collect at any of the cashiers when available. By not having to leave a single person as a cashier, the cashier can focus on providing more direct customer service, refilling merchandise on the shelves, and even assisting in receiving or dispatching merchandise from the store.At the…