Information system Question 2: Suppose you have the following scenario: People who use the Palm Tree System are either farmers or experts. They both have name and phone number. The farmer has address and has the ability to search and buy a product, reserve an appointment and add comments. An expert has a number of years of experience and can answer questions and post advices. An Expert can communicate with many farmers while a farmer can communicated by only one expert. By using Star UML tool, draw a Class diagram for this scenario.
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Question 2: Suppose you have the following scenario: People who use the Palm Tree System are either farmers or experts. They both have name and phone number. The farmer has address and has the ability to search and buy a product, reserve an appointment and add comments. An expert has a number of years of experience and can answer questions and post advices. An Expert can communicate with many farmers while a farmer can communicated by only one expert.
By using Star UML tool, draw a Class diagram for this scenario.
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- 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.Assignment As an initiation into the study of ethics, carefully read each of the following scenarios. After reflection, come up with your own answer to each of the questions. Scenario 1 Alexis, a gifted high school student, wants to become a doctor. Because she comes from a poor family, she will need a scholarship in order to attend college. Some of her classes require students to do extra research projects in order to get an A. Her high school has a few older PCs, but there are always long lines of students waiting to use them during the school day. After school, she usually works at a part-time job to help support her family. One evening Alexis visits the library of a private college a few miles from her family's apartment, and she finds plenty of unused PCs connected to the Internet. She surreptitiously looks over the shoulder of another student to learn a valid login/password combination. Alexis returns to the library several times a week, and by using its PCs and printers she…A library wants to build a simple online recommendation system for a summer reading programme. The system involves people reading and recommending books and authors. • Readers (people) have a screen name as well as a real name and contact information, including an unknown number of phone numbers they can be contacted at. • Books have a title, ISBN, genre and reading level. • An author has a name and nationality. They can write zero or more books. • Assume that Books are written by only one author. • The database records what books a reader has read. • Readers can “like” books. • Readers can “like” authors independent of the books the author has written. Create a hand-drawn, conceptual entity relationship diagram (like the last lab, except that you’re including attributes) describing this circumstance for a database designer.
- When do you plan to start using email, and how soon do you anticipate starting? A linear path is followed by an email, starting with the sender and finishing with the receiver of the message. Your results should be documented in great detail. Are there any possible explanations for the differences, and if so, what are they? Imagine a varied collection of models, each of which presents its own unique set of difficulties (or abstractions).Write an experiment protocol for calculating accuracy difference between touchpad pointing and mouse pointing using Laptop. You have 5 users available to perform experiment tasks. You are required to provide rationale for all your decisions. The experiment protocol should at least describe the following elements: -> Hypothesis -> Independent Variables -> Dependent Variables -> Subject Design/Group Design -> Experiment ProcedureNeed a clear diagram. A customer can place an order online. For each item, the order can be sent to the customer either by courier or by regular delivery depending upon their membership type. The customers can be premium users or free users. Only the premium users will get the courier service. If the item is made up of glass, then it is dispatched by a careful distributor instead of regular. Both the users can pay by card or cash, where the system sends a confirmation message. Optionally, if the member selected the notification option in the order, the business will send a confirmation note to the user.Draw the sequence diagram for the above scenario.
- QUESTION 1 Draw level 1 DFD of the given scenario. Mention your brain storming as well before the drawing. Tom is starting a dental practice in a small town. He will have a dental assistant, a dental hygienist, and a receptionist. He wants a system to manage the appointments. When a patient calls for an appointment, the receptionist will check the calendar and will try to schedule the patient as early as possible to fill in vacancies. If the patient is happy with the proposed appointment, the receptionist will enter the appointment with the patient name and purpose of appointment. The system will verify the patient name and supply necessary details from the patient records, including the patient's ID number. After each exam or cleaning, the hygienist or assistant will mark the appointment as completed, add comments, and then schedule the patient for the next visit if appropriate. The system will answer queries name and by date. Supporting details from the patient's records are…Use the following scenario to answer the questions that follow. A hotel that delivers food to customers would like to develop an information system that will help them serve their clients efficiently. Currently they run a manual system whereby a customer calls to make an order. The calls are usually received by the receptionist who looks at the menu list and tells the customer the amount of money he/she is supposed to pay, and how long it will take to prepare the order. Once the customer agrees to the terms and conditions of the delivery. The receptionist writes down the order and the customer details in a piece of paper and gives the piece of paper to the caterer. The caterer prepares and packs the order and sticks the order details he/she received from the receptionist to the food package. The packed order is then handed over to the delivery person who will deliver the order in a motorbike. The receptionist usually has contact details of the motorbike guys whom she would call to…This question assesses Block 2 Part 4. Parts a and b of this question involve creating drawings or descriptions. You can make your drawings whichever way is easiest or fastest for you. For instance, you could simply make your drawings using pencil and paper then scan or photograph them. Alternatively, you can answer by providing descriptions of the drawings. In that case, keep close to the formulations used in the long figure descriptions of the examples given in Section 4.5 of Block 2 Part 4. a.Consider the following lines entered on the Python shell: >>> Q4_TMA02 = 'submitted' >>> id(Q4_TMA02) 1944127298928 >>> type(Q4_TMA02) >>> Q4_TMA02 'submitted' Draw (or describe) the object and its label that the Python interpreter creates in response to the assignment Q4_TMA02 = 'submitted' in the interactive shell above. Your drawing or description should include a String object with a similar level of detail as Figure 4.14 in Section 4.5.1…
- CODE THE DIAGRAM IN JAVA Language WITH OUTPUT Write a program for the given Scenario using java with proper comments/explanation Question: Assume that XYZ_FOOD is the one of the online food delivery portal in Oman. The XYZ_FOOD has an e-portal which provides the facility of registering your restaurant details. The restaurant owners must sign in on the e-portal after creating new user account or by using their gmail or facebook accounts. Once they are logged in they can fill their restaurant details in vendor`s detail window available after sign in. XYZ_FOOD customers can use the mobile App to check full details of the restaurants and their food menu. The desired items can be added to customer`s cart. The App allows easy customization according to the needs of the customer and they can find the best deals in one place. Besides this, the application allows you to choose the payment option of your own preference - such as Debit or Credit card or even the COD (Cash on delivery).Further,…Take into consideration the Leader-Member Exchange (LMX) Theory as well as the Path-Goal Theory. In order to explain and convince your audience, use examples from real life.Question 4 This question assesses Block 2 Part 4. Parts a and b of this question involve creating drawings or descriptions. You can make your drawings whichever way is easiest or fastest for you. For instance, you could simply make your drawings using pencil and paper then scan or photograph them. Alternatively, you can answer by providing descriptions of the drawings. In that case, keep close to the formulations used in the long figure descriptions of the examples given in Section 4.5 of Block 2 Part 4. a.Consider the following lines entered on the Python shell: >>> Q4_TMA02 = 'submitted' >>> id(Q4_TMA02) 1944127298928 >>> type(Q4_TMA02) >>> Q4_TMA02 'submitted' Draw (or describe) the object and its label that the Python interpreter creates in response to the assignment Q4_TMA02 = 'submitted' in the interactive shell above. Your drawing or description should include a String object with a similar level of detail as Figure 4.14 in…