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Draw a data flow diagram (Context Diagram, Diagram 0) to represent the following scenario:
A cable TV operator receives an emailed repair request from a customer. A repair analyst reviews the request and determines
the type of repair needed by accessing a repair codes file. The analyst files the updated repair request and forwards a copy
to a technician. The technician completes the repair and forwards the order to the quality control department. A quality
control analyst tests the customer’s system to verify that the problem has been resolved. The quality control analyst updates
the repair order file and sends one copy of the repair order the customer to indicate that the order has been completed, and
a second copy to the Oregon Cable Commission.
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- Create a Use Case Diagram for the below scenario: In The University of Technology Library Systems, whenever a new books arrives to the university that books information will be entered by the inventory officer into the inventory. Library staff will allow the students to borrow the books and also return the books. Students in the university can search the books and reserve that book automatically to borrow. Also there is a Library manager who will have permission to print the books titles delete the book copy information, view overdue or books which are not returned on time and also view who has reserved the books in advance Now draw the use case diagram by identifying actors, use cases etc.Draw a context diagram and level-0 diagram for the following hospital pharmacy system.The pharmacy at Mercy Hospital fills medical prescriptions for all patients and distributes these medications to the nurse station responsible for the patient's care. Medical prescriptions are written by doctors ad sent to the pharmacy. A pharmacy technician reviews the prescriptions and sends them the appropriate pharmacy station. Prescriptions for drugs that must be formulated are sent to lab station, prescription for off-the-shelf are sent to shelving station and prescription for narcotics are sent to secure station. At each station a pharmacist reviews the order, checks the patient file to determine the appropriateness of the prescriptions, and fills the order if the dosage is at safe level and is will not negativity interact with the other medications or allergic indicated in the Patient's file. If the pharmacist does not fill the order, the prescribing doctor is contacted to discuss the…Draw a statechart diagram based on the following hints: - In a purchasing system, when an order is placed the order starts in the Initialized state. - When the order is processed, the state changes to Processing. - An order that is Processing can become ReadyForPackaging when the order is fully prepared. - The order that is ReadyForPackaging can change back to Processing in case the customer updated the order or can become Packaging if no updates are requested. - Finally the order would become Packaged, which indicates that no more changes to its state are possible. Note: Use your judgement for how to represent the initial state, final state, and the five states mentioned above and provide clear representation of the transitions (a minimum of 5) between the states along with the events and actions. Also make sure to use guards (at least once) when necessary.
- Develop a context diagram and level-0 diagram for the hospital pharmacy system described in the following narrative. If you discover that the narrative is incomplete, make up reasonable explanations to complete the story. Supply these extra explanations along with the diagrams. The pharmacy at Mercy Hospital fills medical prescriptions for all hospital patients and distributes these medications to the nurse stations responsible for the patients’ care. Prescriptions are written by doctors and sent to the pharmacy. A pharmacy technician reviews each prescription and sends it to the appropriate pharmacy station. Prescriptions for drugs that must be formulated (made on-site) are sent to the lab station, prescriptions for off-the-shelf drugs are sent to the shelving station, and prescriptions for narcotics are sent to the secure station. At each station, a pharmacist reviews the order, checks the patient’s file to determine the appropriateness of the prescription, and fills the order if the…Draw a UML class diagram for automated quality assurance software : the idea that admin initiate a standard SRS document and give access for Quality engineer to access project by name and id then the system will check cases and return report about testingRepresent a use case diagram for a student management system. The system is used by students and teachers. After login into the system, a student can check attendances, check timetable as well as check test marks using the student management system. The teacher, after login into the system, can check attendances, check timetable as well as check test marks. In addition, a teacher can update the attendance of a student and update the marks of the student.
- As a systems analyst, you have been asked to develop an information system to computerize the operations of a store. The system users include the procurement officers who order store items. They also register the item suppliers. The restocking of items is done by the store issuing officer who also issues items to operations officers. The operations officers are required to request for items through the system. Stocking, requisition and issuing reports are generated by the store officer. a) Extract the three system requirements from the scenario above and Using Use Cases, model the scenario above. Given the following narrative description of a system, draw a context diagram and a level-0 DFD for the activities with several processes described. State any assumptions if you have any The purpose of the production scheduling system is to respond to a production order (submitted by the Sales Department) by generating a daily production schedule, generating raw material requisitions (sent to the Materials Management Department) for all production orders scheduled for the next day, and generating job tickets for the work to be completed at each workstation during the next day (sent to the Shop Floor Shift Supervisor). The work is described in the following paragraphs. The production scheduling problem can be conveniently broken down into three functions: routing, loading and releasing. For each product on a production order, we must determine which workstations are needed, in what sequence the work must be done, and how much time should be necessary at each workstation to complete…Using the Use Case Diagram and Class Diagram modeling a food delivery system, create a context diagram for the system.
- Can someone please include the use case diagram's descriptions as well? Instructions: Draw a use-case diagram and create a set of activity diagrams for the following system. A Video Store (AVS) runs a series of fairly standard video stores. Before a video can be put on the shelf, it must be cataloged and entered into the video database. Every customer must have a valid AVS customer card in order to rent a video. Customers rent videos for three days at a time. Every time a customer rents a video, the system must ensure that they do not have any overdue videos. If so, the overdue videos must be returned and an overdue fee paid before customer can rent more videos. Likewise, if the customer has returned overdue videos, but has not paid the overdue fee, the fee must be paid before new videos can be rented. Every morning, the store manager prints a report that lists overdue videos. If a video is two or more days overdue, the manager calls the customer to remind them to return the video. If…Draw an ER Diagram, or EER Diagram as appropriate, for each of these scenarios. A soccer league has a set of teams, each of which has a team ID number, name, stadium name, and location (city). Each team has many players, and each player belongs to only one team. Each player has a player ID number, name, date of birth, start year, and a jersey number. Teams play matches. In each match there is a host team and a guest team. Information about a given match includes the date on which the game is played, and the score (one value for the guest team and one value for the host team). The league has referees, each of which as a referee ID number, a name, date of birth, and start year. Each match is assigned three referees, one of which is designated as the main referee (the other two are assistant referees). Note that a referee may be the main referee for some matches and an assistant referee on others. [Hint: Make Match its own entity type. Include two relationships between Team and Match,…Develop a context diagram and a level-0 diagram for the contracting system described in the following narrative. If you discover that the narrative is incomplete, make up reasonable explanations to complete the story. Supply these extra explanations along with the diagrams. Government Solutions Company (GSC) sells computer equipment to federal government agencies. Whenever a federal agency needs to purchase equipment from GSC, it issues a purchase order against a standing contract previously negotiated with the company. GSC holds several standing contracts with various federal agencies. When a purchase order is received by GSC’s contracting officer, the contract number referenced on the purchase order is entered into the contract database. Using information from the database, the contracting officer reviews the terms and conditions of the contract and determines whether the purchase order is valid. The purchase order is valid if the contract has not expired, the type of equipment…
