E-R diagram
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A restaurant chain has several locations in a city (with a name and zip code stored for each), and each
is managed by one manager. Each manager manages multiple restaurants. Each restaurant location has
its own unique set of menus. Most have more than one menu (e.g., lunch and dinner menus). Each
menu has many menu items, items can appear on multiple menus, and each menu has a price on it. A
customer can visit multiple restaurants and a restaurant can have multiple customers. Represent this
situation of restaurants with an E-R diagram
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- 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.To conduct an exam, an instructor first notifies the students of the exam date and the material to be covered. She then prepares the exam paper(with sample solutions), gets it copied to produce enough copies for the class, and hands it out to students on the designated time and location.The students write their answers to exam questions and hand in their papers to the instructor. The instructor then gives the exam papers to theTAs (Test Assistant), along with sample solutions to each question, and gets them to mark it. She then records all marks and returns the papersto the students. Draw a sequence diagram that represents this process. Make sure to show when is each actor participating in the process. Also,show the operation that is carried out during each interaction, and what its arguments are.using PHP and MYSQL create a web based PIZZA ORDERING SYSTEM - The customer orders, the admin can see the order of the customer - the admin will decide whether he/she will accept the order or not and the customer will be notified - the customer can cancel order then the admin will be notified by the cancellation
- Suppose you are organizing a conference where researchers present articles they have written. Researchers who want to present an article send a paper to the conference organizers. The conference organizers have access to a committee of reviewers who are each willing to read up articles each. Each paper submission gets reviewed by up to reviewers. Moreover, each submission has a particular topic and each reviewer has a specialization for a set of topics, so papers on a given topic only get reviewed by those reviewers who are experts on that topic. The conference organizers need to decide which reviewers will review each article (or equivalently, which articles will be reviewed by which reviewers). Explain how they could use a flow network to solve this problem.Draw a partitioned activity diagram for the rent car use case of Rent-A-Car. Rent-A-Car company has a website through which a user is allowed to book and pay for their rental cars. When a customer makes a request to rent a car the customer is presented with different car models from the catalog. The customer selects a model. The system checks if a car is available for the model selected. If a particular car is not available, the customer is requested to choose a different model. If the chosen model is available, the rental price is displayed to the customer. The customer needs to confirm if they would like to proceed with renting the car at that price or would like to opt for a different model. If the customer decides to proceed with booking the car, they must upload their driver’s license for verification. The driver’s license is verified by a staff member once it is uploaded. Only if the license is valid, does the system deduct payment and deposit from the clients credit card. If…Create UML diagrams for the scenarios in the following list. C++ programme the situations. Surgical and medical departments make up a hospital's first task. Surgery is handled by the surgical department, and medicine is handled by the medical department. Every patient has a special ID. The surgical department contains 20 rooms that can be assigned to patients and three operating rooms that are ready for surgery. The medical department only treats patients outside; it lacks patient rooms. Patients undergoing surgery could require multiple procedures. Surgery is sometimes carried out by doctors. The hospital's medical staff consists of either surgeons or non-surgeons. In the medical department, a surgeon performs operations while non-surgeons examine patients
- MapOnMe (MOM) is a company that aims to provide a local spatial data that can be used to analyse urban movement behaviour. For this purpose, this company provides a system where the map data is manually inserted by their staffs and trajectory data are obtained from public contributors. A trajectory is a time series of visited location point that shows a user movement in a specific of time window. A trajectory may contain numerous of trajectory points, however in some rare cases, a trajectory may consist of no trajectory points at all. For the map data, the entry is manually inserted or updated by the administrator. A spatial object can be modified several times by different administrators. For historical purposes reason, the updated date and reason must be recorded for any objects added/modified by the administrators. There are three types of objects in map data, which are Point Data, Road Data and Region Data. Each object will have a unique object identifier called “objectID”. A Point…Computer Science A pharmaceutical company writes contracts with its chemical suppliers that ensure each container has the proper amount of chemical within some allowable range. For example, a one liter container is permitted to contain between 997 cm3 and 1,003 cm3. Design a test suite for testing the company’s quality control using a liter container of a different amount of chemical for each different test case.Case Study:Consider an online shopping website that maintains a shopping cart. A user can search productsand place order and can make payment for it either online or cash on delivery. If a user placean order of amount RS 2500 or above he gets home delivery of the product for free, otherwisehe has to pay Rs 250 extra for home delivery. There are different types of users based onmembership Guest User (No membership), Gold User, Platinum User. Guest user doesn’t getany discount, Gold user gets 5% off on every product, Platinum User get 7.5% on everyproduct. Question No. 2: Draw Activity diagram for the case study above ? Question No. 3: Draw Class diagram for the case study above. ?
- Draw an ER diagram for the following car sharing system: In the car sharing system, a CarMatch application has record of anyone who would like to share his/her car, known as a CarSharer. An Administrator registers all the potential CarSharers and with their first name, last name, home address, and date of birth. Each CarSharer is also assigned a unique id. A CarSharer can take policies issued by the Insurance Company. Each policy has a number, premium, and a start date. A CarSharer needs to know the start and destination address of each Journey.A hotel room reservation management system. Draw a sequence diagram for the following scenario: when booking a room, members first log in to the system, query the room information and make a choice. Then fill in and submit the pre-order online. According to the reservation information, the system updates the member information, updates the room status to reserved, and prompts the member to book successfully.5- The assignment model is a special case of the transportation model in which the number of origin must equal the number of the destination that is the table is a square that is the number of rows and columns must be equal. Select one: True False 6- The points on the network model are referred to as arcs. Select one: True False