In an operational environment, we have two sub environment and in each environment the user's need is as follows. Design a two ER diagram according to the needs of users. Design an ER diagram that unifies the two diagrams User 1: article, journal and researcher User 2: book, subject and author
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- Prepare a context diagram and a Level 0 Data Flow Diagram ( DFD) for each of the following scenarios. Collect time and attendance reports from different departments to calculate weekly wages. This data is validated before payroll is prepared. A customer order is approved and filled. The inventory data is then updated. A customer cancels her mail order. The cancellation is processed and a confirmation is sent to the customer.Your Question: Task 7. create a set of representative use cases for the system create a use case diagram showing system boundary, actors, use cases, and relationships. Then, for a subset of important use cases, create the following: Normal scenarios (at least four use cases) Augment two of the use cases to consider alternate flows (abnormal scenarios) Two misuse case scenarios with added content to use case diagram Task 8. create Activity Diagrams for at least one normal and one abnormal scenario Task 9. create Sequence diagrams for at least one normal and one abnormal scenario Task 10. create a Data Flow Diagram for the System Task 11. create a List of Functional Requirements Task 12. create a List of Non-functional Requirements Task 13. create a Traceability Table Show use cases are connected to requirements. All for a hypothetical social media app called SnapsterThe solution must be neat and clear to understand. ****YOU MUST DRAW THE COMPLETE DIAGRAM**** Design a system and draw DATA FLOW DIAGRAM for Digital Parking Management System.You should initially draw a context diagram with at least 5 external agents and 10 data flows.After that decompose your context diagram to Level 1 data flow diagram.There must be at least 6processes and 4 data stores in this diagram. Lastly, you should select a process and draw a Level2 diagram. [Note: Your level 1 and 2 data flow diagram must be balanced].
- 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…Explain the concept of a use case diagram in requirement analysis. How does it help in understanding system behavior and interactions?Using drawing tools in Word or PowerPoint, draw out a network diagram for problem 12 at the end of chapter 4 . Likely it will be advantageous to draw this out on paper first to ensure you have proper order. The problem is also shown below if it does not appear in your browser correctly. Activity Immediate Predecessor 1. Problem Definition — 2. Study Current System 1 3. Define User Requirements 1 4. Logical System Design 3 5. Physical System Design 2 6. System Development 4, 5 7. System Testing 6 8. Convert Database 4, 5 9. System Conversion 7, 8
- It is requested to draw an entity relationship diagram (ERD) for a hospital management system.Information about the subject are given below.• The patients contain ID, name, and surname. Doctors have name, surname, and department.Rooms have number and capacity.• Each doctor may supervise zero or more patients.• Each patient should be supervised by one doctor.• Each room may host zero or more patients.• Each patient should be hosted in one room.Draw Activity diagram for this scenario When the employee ( customer to us ) encounters an issue he cant solve he goes to tawasol ( the company ticketing system ) and open a ticket for the issue in the correct section and select the issue genre, explain it and add his contact info then the ticket get assigned automatically by the system to the right IT support team, from there the team in head quarter office in Riyadh assign the task to specific member based on geographic location of the issue and the nature of the issue and the competence needed. After that the team member can see it in his/her ticketing system and can assign the status of the process is it active, pending for some reason or resolved . Then the assigned member will contact the customer to further understand the issue and decide if it could be done remotely or physically, if remotely then the assigned member need to contact the network team to allow access for remote applications on that network. Then when the issue is…Consider a system. Let this be a car rental system. a-) For a car rental system create a Use case diagram for your requirement that contains at least 3 actor, 10 use case and use all relationship types. Express the relationships in writing on the figure. B-)Create an activity diagram for requirement
- Develop an activity diagram according to the following scenarios. Flow of activities for scenario of Order Clerk creates telephone order Main Flow Customer calls RMO and gets order clerk. 1a. Order Clerk enters customer information. 2a. If an existing customer, order clerk verifies customer information. 2b. If a new customer, invoke Maintain customer account information use case to add a new customer. Clerk initiates the creation of a new order. Customer requests an item to be added to the order. Clerk verifies the item and adds it to the order. Repeat step 4 and 5 until all items are added to the order. Customer indicates end of order; clerk enters end of order; system computes total. Customer submits payment; clerk enters amount; system verifies payment. System finalizes order.Create a network diagram that show the sequence and dependent relationships of all the activities.please don't i. Activity Diagram: Please draw an activity diagram using Enterprise. or draw using symbol below that i attched in picture Swimlanes: User System Activity Diagram Steps: User: Initiates account creation process. !. System: Prompts user for name. 1. User: Enters name. System: Prompts user for password. i. User: Enters password. i. System: Prompts user to link bank account. User: Enters bank account information. 1. System: Validates bank account information. 1. [Decision Node] If bank account information is invalid: a. System: Displays error message. b. Go back to step 6. 1. System: Prompts user to enter email address. User: Enters email address. !. System: Sends verification email. 1. [Fork Node] User: Clicks on the verification link in the email. System: Verifies email address. i. [Join Node] System: Creates user account.Activity Structured, Action Partition Object Central Buf Datastore Decision Merge Send Receive Synch Initial Final Flow Final Region Exception Fork/Join…